SHARP

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KORISNIČKI PRIRUČNIK PN-U423 SHARP

PN-U553

PN-U473

PN-U423

LCD MONITOR

OPERATION MANUAL

IMPORTANT:

To aid reporting in case of loss or theft, please record the product's model and serial numbers in the space provided. The numbers are located in the rear of the product.

Model No.:

Serial No.:

U.S.A. ONLY

WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.

SHARP PN-U423 - IMPORTANT: - 1

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN

SHARP PN-U423 - CAUTION - 1

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

SHARP PN-U423 - CAUTION - 2

The lightning flash with arrowhead symbol, within a triangle, is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

SHARP PN-U423 - CAUTION - 3

The exclamation point within a triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product.

WARNING:

FCC Regulations state that any unauthorized changes or modifications to this equipment not expressly approved by the manufacturer could void the user's authority to operate this equipment.

NOTE:

This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

U.S.A. ONLY

Thank you for your purchase of a SHARP LCD product. To ensure safety and many years of trouble-free operation of your product, please read the Safety Precautions carefully before using this product.

SAFETY PRECAUTIONS

Electricity is used to perform many useful functions, but it can also cause personal injuries and property damage if improperly handled. This product has been engineered and manufactured with the highest priority on safety. However, improper use can result in electric shock and/or fire. In order to prevent potential danger, please observe the following instructions when installing, operating and cleaning the product. To ensure your safety and prolong the service life of your LCD product, please read the following precautions carefully before using the product.

  1. Read instructions — All operating instructions must be read and understood before the product is operated.
  2. Keep this manual in a safe place — These safety and operating instructions must be kept in a safe place for future reference.
  3. Observe warnings — All warnings on the product and in the instructions must be observed closely.
  4. Follow instructions — All operating instructions must be followed.
  5. Cleaning — Unplug the power cord from the AC outlet before cleaning the product. Use a dry cloth to clean the product. Do not use liquid cleaners or aerosol cleaners.
  6. Attachments — Do not use attachments not recommended by the manufacturer. Use of inadequate attachments can result in accidents.
  7. Water and moisture — Do not use the product near water. Do not install the product in a place where water may splash onto it. Be careful of equipment which drains water such as an air-conditioner.
  8. Ventilation — The vents and other openings in the cabinet are designed for ventilation.
    Do not cover or block these vents and openings since insufficient ventilation can cause overheating and/or shorten the life of the product. Do not place the product on a sofa, rug or other similar surface, since they can block ventilation openings. Do not place the product in an enclosed place such as a bookcase or rack, unless proper ventilation is provided or the manufacturer's instructions are followed.
  9. Power cord protection — The power cords must be routed properly to prevent people from stepping on them or objects from resting on them.
  10. The LCD panel used in this product is made of glass. Therefore, it can break when the product is dropped or applied with impact. Be careful not to be injured by broken glass pieces in case the LCD panel breaks.
  11. Overloading — Do not overload AC outlets or extension cords. Overloading can cause fire or electric shock.
  12. Entering of objects and liquids — Never insert an object into the product through vents or openings. High voltage flows in the product, and inserting an object can cause electric shock and/or short internal parts. For the same reason, do not spill water or liquid on the product.
  13. Servicing — Do not attempt to service the product yourself. Removing covers can expose you to high voltage and other dangerous conditions. Request a qualified service person to perform servicing.
  14. Repair — If any of the following conditions occurs, unplug the power cord from the AC outlet, and request a qualified service person to perform repairs.
    a. When the power cord or plug is damaged.
    b. When a liquid was spilled on the product or when objects have fallen into the product.
    c. When the product has been exposed to rain or water.
    d. When the product does not operate properly as described in the operating instructions.
    Do not touch the controls other than those described in the operating instructions. Improper adjustment of controls not described in the instructions can cause damage, which often requires extensive adjustment work by a qualified technician.
    e. When the product has been dropped or damaged.
    f. When the product displays an abnormal condition. Any noticeable abnormality in the product indicates that the product needs servicing.
  15. Replacement parts — In case the product needs replacement parts, make sure that the service person uses replacement parts specified by the manufacturer, or those with the same characteristics and performance as the original parts. Use of unauthorized parts can result in fire, electric shock and/or other danger.
  16. Safety checks — Upon completion of service or repair work, request the service technician to perform safety checks to ensure that the product is in proper operating condition.
  17. Wall mounting — When mounting the product on a wall, be sure to install the product according to the method recommended by the manufacturer.
  18. Heat sources — Keep the product away from heat sources such as radiators, heaters, stoves and other heat-generating products (including amplifiers).

  19. Batteries — Incorrect use of batteries may cause the batteries to burst or ignite. A leaky battery may corrode the equipment, dirty your hands or spoil your clothing. In order to avoid these problems, make sure to observe the precautions below:

- Use the specified batteries only.

• Install the batteries with due attention to the plus (+) and minus (-) sides of the batteries according to the instructions in the compartment.

- Do not mix old and new batteries.

- Do not mix batteries of different types. Voltage specifications of batteries of the same shape may vary.

- Replace an exhausted battery with a new one promptly.

- If you will not use the remote control for a long time, remove the batteries.

- If leaked battery fluid gets on your skin or clothing, rinse immediately and thoroughly. If it gets into your eye, bathe your eye well rather than rubbing and seek medical treatment immediately. Leaked battery fluid that gets into your eye or your clothing may cause a skin irritation or damage your eye.

  1. Usage of the monitor must not be accompanied by fatal risks or dangers that, could lead directly to death, personal injury, severe physical damage or other loss, including nuclear reaction control in nuclear facility, medical life support system, and missile launch control in a weapon system.

  2. Do not stay in contact with the parts of the product that become hot for long periods of time. Doing so may result in low-temperature burns.

WARNING:

This is a Class A product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures.

To maintain compliance with EMC regulations, use shielded cables to connect to the following terminals: DVI-D input/output terminals, HDMI input terminal, D-sub input terminal, RS-232C input/output terminals, and DisplayPort input terminal.

If a monitor is not positioned in a sufficiently stable location, it can be potentially hazardous due to falling. Many injuries, particularly to children, can be avoided by taking simple precautions such as:

  • Using fixing devices like wall mount brackets recommended by the manufacturer.
  • Only using furniture that can safely support the monitor.
  • Ensuring the monitor is not overhanging the edge of the supporting furniture.
  • Not placing the monitor on tall furniture (for example, cupboards or bookcases) without anchoring both the furniture and the monitor to a suitable support.
  • Not standing the monitors on cloth or other materials placed between the monitor and supporting furniture.
    • Educating children about the dangers of climbing on furniture to reach the monitor or its controls.

Especially for child safety

  • Don't allow children to climb on or play with the monitor.
  • Don't place the monitor on furniture that can easily be used as steps, such as a chest of drawers.
  • Remember that children can become excited while watching a program, especially on a "larger than life" monitor. Care should be taken to place or install the monitor where it cannot be pushed, pulled over, or knocked down.

- Care should be taken to route all cords and cables connected to the monitor so that they cannot be pulled or grabbed by curious children.

  • The TFT color LCD panel used in this monitor is made with the application of high precision technology. However, there may be minute points on the screen where pixels never light or are permanently lit. Also, if the screen is viewed from an acute angle there may be uneven colors or brightness. Please note that these are not malfunctions but common phenomena of LCDs and will not affect the performance of the monitor.
  • Do not display a still picture for a long period, as this could cause a residual image.
  • Never rub or tap the monitor with hard objects.
  • Please understand that SHARP CORPORATION bears no responsibility for errors made during use by the customer or a third party, nor for any other malfunctions or damage to this product arising during use, except where indemnity liability is recognized under law.
  • This monitor and its accessories may be upgraded without advance notice.
  • Do not use the monitor where there is a lot of dust, where humidity is high, or where the monitor may come into contact with oil or steam. Do not use in an environment where there are corrosive gases (sulfur dioxide, hydrogen sulfide, nitrogen dioxide, chlorine, ammonia, ozone, etc.). As this could lead to fire.
  • Ensure that the monitor does not come into contact with water or other fluids. Ensure that no objects such as paper clips or pins enter the monitor as this could lead to fire or electric shock.
  • Do not place the monitor on top of unstable objects or in unsafe places. Do not allow the monitor to receive strong shocks or to strongly vibrate. Causing the monitor to fall or topple over may damage it.
  • Do not use the monitor near heating equipment or in places where there is likelihood of high temperature, as this may lead to generation of excessive heat and outbreak of fire.
  • Do not use the monitor in places where it may be exposed to direct sunlight.
  • Please be sure to constantly remove dust and garbage that has attached to the ventilation opening. If dust collects in the ventilation opening or the inside of the monitor, it may lead to excessive heat, outbreak of fire, or malfunction. Please request a cleaning of the inside of the monitor from an authorized SHARP servicing dealer or service center.
  • Images cannot be rotated on this monitor. When using in portrait orientation, you will need to prepare appropriately orientated content in advance.
  • The AC outlet shall be installed near the equipment and shall be easily accessible.

The Power Cord

  • Use only the power cord supplied with the monitor.
  • Do not damage the power cord nor place heavy objects on it, stretch it or over bend it. Also, do not add extension cords. Damage to the cord may result in fire or electric shock.
  • Do not use the power cord with a power tap. Adding an extension cord may lead to fire as a result of overheating.
  • Do not remove or insert the power plug with wet hands. Doing so could result in electric shock.
  • Unplug the power cord if it is not used for a long time.
  • Do not attempt to repair the power cord if it is broken or malfunctioning. Refer the servicing to the service representative.

Manual Scope

  • Microsoft, Windows and Internet Explorer are registered trademarks of Microsoft Corporation.
  • The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.
  • DisplayPort is a registered trademark of Video Electronics Standards Association.
  • Adobe, Acrobat, and Reader are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries.
  • This product comes with RICOH Bitmap Fonts produced and sold by RICOH COMPANY, LTD.
  • All other brand and product names are trademarks or registered trademarks of their respective holders.
  • Language of OSD menu used in this manual is English by way of example.
  • Illustrations in this manual may not exactly represent the actual product or display.
  • This manual assumes use in landscape orientation, except where specifically noted.

LED Backlight

  • The LED backlight in this product has a limited lifetime. * If the screen gets dark or does not turn on, it may be necessary to replace the LED backlight.
    * This LED backlight is exclusive to this product and must be replaced by an authorized SHARP servicing dealer or service center. Please contact an authorized SHARP servicing dealer or service center for assistance.

• This product is for use indoors.
- A mounting bracket compliant with VESA specifications is required.
- Since the monitor is heavy, consult your dealer before installing, removing or moving the monitor.
- Do not hold the monitor by the speakers.
- Mounting the monitor on the wall requires special expertise and the work must be performed by an authorized SHARP dealer. You should never attempt to perform any of this work yourself. Our company will bear no responsibility for accidents or injuries caused by improper mounting or mishandling.
- Use the monitor with the surface perpendicular to a level surface. If necessary, the monitor may be tilted up to 20 degrees upward or downward.
- This monitor should be used at an ambient temperature between 41°F (5°C) and 104°F (40°C). (32°F (0°C) and 104°F (40°C) for the PN-U473/PN-U423) Provide enough space around the monitor to prevent heat from accumulating inside.

For the monitor in landscape orientation
SHARP PN-U423 - LED Backlight - 1

text_image 7-7/8 [200] 2 [50] 2 [50] 2 [50] Unit: inch [mm] 5/16 [7]

For the monitor in portrait orientation
SHARP PN-U423 - LED Backlight - 2

text_image 7-7/8 [200] 2 [50] 2 [50] 2 [50] Power LED Unit: inch [mm] 5/16 [7]
  • If it is difficult to provide sufficient space for any reason such as the installation of the monitor inside a housing, or if the ambient temperature may be outside of the range of 41°F (5°C) to 104°F (40°C), install a fan or take other measures to keep the ambient temperature within the required range.
    (32°F (0°C) and 104°F (40°C) for the PN-U473/PN-U423)
  • Temperature condition may change when using the monitor together with the optional equipments recommended by SHARP. In such cases, please check the temperature condition specified by the optional equipments.
  • Do not block any ventilation openings. If the temperature inside the monitor rises, this could lead to a malfunction.
  • Do not place the monitor on a device which generates heat.

  • Adhere to the following when installing the monitor in its portrait orientation. Failing to adhere to the following may cause malfunctions.

  • Install the monitor such that the power LED is located on the bottom side.
  • Set the MONITOR on the MONITOR menu to PORTRAIT. (See page 24.)
  • Be sure to clamp the power cord (supplied) onto the cable clamp attachment using the supplied cable clamp. When clamping the power cord, take care not to stress the terminal of the power cord. Do not bend the power cord excessively.

SHARP PN-U423 - LED Backlight - 3

text_image Power cord (Supplied) Cable clamp attachment Cable clamp
  • Use the supplied vertical sticker when you install the monitor in portrait orientation.

SHARP PN-U423 - LED Backlight - 4

text_image Vertical sticker (Logo) SHARP Vertical sticker (Operation panel)

Do not remove the factory-affixed sticker but affix the sticker over it. Be careful not to cover the remote control sensor or buttons.

Contents

IMPORTANT INFORMATION....3

DEAR SHARP CUSTOMER....4

SAFETY PRECAUTIONS......4

TIPS AND SAFETY INSTRUCTIONS....6

MOUNTING PRECAUTIONS....7

Supplied Components....8

Part Names 9

Connecting Peripheral Equipment....11

Connecting the Power Cord 13

Binding Cables....14

Preparing the Remote Control Unit....15

Installing the batteries....15

Remote control operation range....15

Turning Power On/Off....16

Turning on the main power....16

Turning power on/off 16

Basic Operation 18

Menu Items....20

Displaying the menu screen....20

Menu item details 21

Adjustments for PC screen display 28

Initialization (Reset)/Functional Restriction

Setting (FUNCTION)....29

Controlling the Monitor with a PC (RS-232C)....30

PC connection....30

Communication conditions....30

Communication procedure 30

RS-232C command table 34

Controlling the Monitor with a PC (LAN)....39

Settings to connect to a LAN....39

Controlling with a PC....41

"Advanced operation" Command-based control .....44

Troubleshooting....45

Specifications 47

Mounting Precautions

(For SHARP dealers and service engineers)....53

Supplied Components

If any component should be missing, please contact your dealer.

☐ Liquid Crystal Display Monitor: 1

□ Remote control unit: 1

□ Cable clamp: 2

□ Power cord: 1

☐ R-6 battery ("AA" size): 2

□ CD-ROM (Utility Disk for Windows): 1

□ Setup Manual: 1

☐ Vertical sticker (Logo): 1

☐ Vertical sticker (Operation panel): 1

□ Model Name / Serial No. label: 1

Indicates the model name and serial number.

□ Cover SHARP logo: 1

Place this sticker onto the SHARP logo to cover the logo.

* SHARP Corporation holds authorship rights to the Utility Disk program. Do not reproduce it without permission.

* For environmental protection!

Do not dispose of batteries in household waste. Follow the disposal instructions for your area.

Part Names

■Front view
SHARP PN-U423 - Part Names - 1

text_image 1 4 TURM * 5 INPUT 2 3 Guideline

■Rear view
SHARP PN-U423 - Part Names - 2

text_image 7 6 22 23 8 24 8 9 10 5 4 INPUT 11 12 13 14 15 16 17 18 19 20 21
  1. LCD panel
  2. Power LED (See page 16.)
  3. Remote control sensor (See page 15.)
  4. Input switch (See page 18.)
  5. Power switch (See page 16.)

* The Input switch and Power switch are located on the back of the monitor. Use the position of the slot on the front as a guideline for operation of the switches.

(The switch with the protrusion is the Power switch.)

  1. Optional attachment section

This section is used to connect optional hardware for function expansion. Offering this attachment location is not a guarantee that future compatible hardware attachments will be released.

  1. Vents
  2. Speakers
  3. AC input terminal (See page 13.)
  4. Main power switch (See page 16.)
  5. RS-232C output terminal (See page 12.)
  6. RS-232C input terminal (See page 12.)
  7. LAN terminal (See page 12.)
  8. HDMI input terminal (See page 11.)
  9. DisplayPort input terminal (See page 11.)
  10. DVI-D input terminal (See page 11.)
  11. DVI-D output terminal (See page 12.)
  12. D-sub input terminal (See page 11.)
  13. Audio1 input terminal (See page 12.)
  14. Component input terminals (See page 11.)
  15. Video input terminal (See page 11.)
  16. Audio output terminals (See page 12.)
  17. Audio2 input terminals (See page 12.)
  18. Anti-theft hole (R)

A commercially available anti-theft lock can be connected. The anti-theft hole is compatible with the Kensington MicroSaver Security System.

!Caution

  • Consult your SHARP dealer for attachment/detachment of optional parts.
  • When lifting or moving the monitor, do not hold by the speakers.

■Remote control unit
SHARP PN-U423 - !Caution - 1

text_image 1 2 3 4 5 6 POWER INPUT MUTE MENU VOL+ BRIGHT- ENTER VOL- RETURN DISPLAY MODE SIZE 7 8 9 10 11
  1. Signal transmitter
  2. POWER button (See page 16.)
  3. MUTE button (See page 18.)
  4. VOL +/- buttons (See page 18.) BRIGHT +/- buttons (See page 18.) Cursor control (▲/▼/◄/►) buttons
  5. DISPLAY button (See page 18.)
  6. MODE button (See page 18.)
  7. INPUT button (See page 18.)
  8. MENU button (See page 18.)
  9. ENTER button (See page 18.)
  10. RETURN button (See page 18.)
  11. SIZE button (See page 18.)

Connecting Peripheral Equipment

SHARP PN-U423 - Connecting Peripheral Equipment - 1

text_image 10 8 11 12 13 1 2 3 9 4 7 5 6

!Caution

  • Be sure to turn off the main power switch and disconnect the plug from the power outlet before connecting/disconnecting cables. Also, read the manual of the equipment to be connected.
  • Be careful not to confuse the input terminal with the output terminal when connecting cables. Accidentally reversing cables connected to the input and output terminals may cause malfunctions and the other problems.
  • Do not use any cable that has a damaged or deformed terminal. Using such cables may cause malfunctions.

TIPS

  • Images may not be displayed properly depending on the computer (video card) to be connected.
  • Use the automatic screen adjustment when a PC screen is displayed for the first time using D-SUB, or when the setting of the PC is changed. The screen is adjusted automatically when SELF ADJUST in the SCREEN menu is set to ON.
  • If the audio output from the playback device is connected directly to speakers or other devices, the video on the monitor may appear delayed from the audio portion. Audio should be played through this monitor by connecting the playback device to the monitor's audio input, and connecting the monitor's audio output to the speakers or other devices.
  • The audio input terminals used in each input mode are factory-set as follows.
Input modeAudio input terminal (Factory setting)
DVI-D, D-SUBAudio1 input terminal
DisplayPortDisplayPort input terminal
HDMIHDMI input terminal
COMPONENT, VIDEOAudio2 input terminals

1. HDMI input terminal

  • Use a commercially available HDMI cable (conforming to the HDMI standard).
  • Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu. When HDMI is selected, connection to the audio input terminal is unnecessary.

2. DisplayPort input terminal

• Use a commercially available DisplayPort cable.
- Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu. When DisplayPort is selected, connection to the audio input terminal is unnecessary.

3. DVI-D input terminal

• Use a commercially available signal cable (DVI-D 24 pin).
- Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu.

4. D-sub input terminal

- Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu.

5. Component input terminals

- Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu.

6. Video input terminal

- Select the audio input terminal to be used in AUDIO SELECT of the SETUP menu.

Connecting Peripheral Equipment

7. Audio1 input terminal

  • Use an audio cable without resistance.
  • Set the audio input terminal to be used in each input mode in AUDIO SELECT on the SETUP menu.

8. Audio2 input terminals

- Set the audio input terminal to be used in each input mode in AUDIO SELECT on the SETUP menu.

9. DVI-D output terminal

  • When the input mode is set to DVI-D, the video of the DVI-D input can be output to an external device.
  • Outputting HDCP-encrypted video requires an external device which supports HDCP.
  • This terminal allows the daisy chain connection of up to 5 monitors by connecting the monitors to each other through the DVI-D input terminal of each monitor.

TIPS

  • The length of the signal cables or surrounding environment may affect the image quality.
  • When the input mode is set to a mode other than DVI-D, video cannot be output.

10. Audio output terminals

• The output sound varies depending on the input mode.
- It is not possible to control the sound output from the audio output terminals with the AUDIO menu.

11. RS-232C output terminal

12. RS-232C input terminal

  • You can control the monitor from a PC by connecting a commercially available RS-232 straight cable between these terminals and the PC.
  • PN-U553/PN-U473/PN-U423 monitors can be connected together in a daisy chain connection.

13. LAN terminal

- You can control the monitor from a PC on a network by connecting a commercially available LAN cable between this terminal and a network.

Connecting the Power Cord

!Caution

- Use only the power cord supplied with the monitor.

  1. Turn off the main power switch.
  2. Plug the power cord (supplied) into the AC input terminal.
  3. Plug the power cord (supplied) into the AC power outlet.

SHARP PN-U423 - !Caution - 1

text_image Power cord (Supplied) 3 For power outlet 2 AC input terminal Main power switch 1

Binding Cables

[PN-U553]
SHARP PN-U423 - Binding Cables - 1

natural_image Top-down architectural floor plan showing room layouts and structural elements (no text or labels)

[PN-U473]
SHARP PN-U423 - Binding Cables - 2

natural_image Top-down schematic of a device casing with internal components and mounting points (no text or symbols)

[PN-U423]
SHARP PN-U423 - Binding Cables - 3

natural_image Top-down schematic of a vehicle or enclosure with wheels and control buttons (no text or symbols)

The cables connected to the terminals on the rear of the monitor can be fastened with the cable clamp.

Attach the cable clamp into the cable clamp attachment on the rear of the monitor and fasten the cables.

SHARP PN-U423 - Binding Cables - 4

text_image Cable clamp Cable clamp attachment Cable

Preparing the Remote Control Unit

Installing the batteries

  1. Press the cover gently and slide it in the direction of the arrow.

SHARP PN-U423 - Installing the batteries - 1

natural_image Diagram of a device casing with internal components and an arrow indicating direction (no text or symbols)
  1. See the instructions in the compartment and put in the supplied batteries (R-6 ("AA" size) x 2) with their plus (+) and minus (-) sides oriented correctly.

  2. Close the cover.

TIPS

  • When the batteries become exhausted, replace them with new (commercially available) batteries.
  • The supplied batteries (R-6 ("AA" size) x 2) may become exhausted quickly depending on how they are stored.
  • If you will not be using the remote control for a long time, remove the batteries.
    • Use manganese or alkaline batteries only.

Remote control operation range

The operation range of the remote control unit is approx. 16.4 feet (5 m) at an angle of approx 10^ from the center to the top/bottom/right/left of the remote control sensor.

SHARP PN-U423 - Remote control operation range - 1

text_image Remote control sensor 16.4 feet (5 m) 10° 10° 10° 10°

TIPS

  • Do not expose the remote control unit to shock by dropping or stepping on it. This could lead to a malfunction.
  • Do not expose the remote control unit to liquids, and do not place it in an area with high humidity.
  • The remote control unit may not work properly if the remote control sensor is under direct sunlight or strong lighting.
  • Objects between the remote control unit and the remote control sensor may prevent proper operation.
  • Replace the batteries when they run low as this may shorten the remote control's operation range.
  • If a fluorescent light is illuminated near the remote control unit, it may interfere with proper operation.
  • Do not use it with the remote control of other equipment such as air conditioner, stereo components, etc.

Turning Power On/Off

!Caution

- Turn on the monitor first before turning on the PC or playback device.

Turning on the main power
SHARP PN-U423 - !Caution - 1

text_image Main power switch

!Caution

  • The main power must be turned on/off with the main power switch. Do not connect/disconnect the power cord or turn the breaker on/off while the main power switch is on.
  • When switching the main power switch or the POWER button off and back on, always wait for at least 5 seconds.
  • For a complete electrical disconnection, pull out the main plug.

Turning power on/off

Press the POWER button or POWER switch to turn the power ON/OFF.

SHARP PN-U423 - Turning power on/off - 1

text_image POWER INPUT MUTE MENU VOL+ BRIGHT- BRIGHT+ ENTER VOL- RETURN Power switch TURBS INPUT Power LED
StatusStatus of the monitor
Green litPower on
Orange litPower off (Standby mode)
Green flashingInput signal waiting mode

!Caution

  • When switching the main power switch or the POWER button off and back on, always wait for at least 5 seconds. A short interval may result in a malfunction.

TIPS

  • When the main power switch is off, the monitor cannot be turned on.
  • If the monitor is in the input signal standby mode and you press the POWER button on the remote control unit, the monitor enters standby mode.
  • Setting the SCHEDULE flashes the power LED alternately in red and orange in standby mode.
  • To disable the logo screen from displaying when turning the power ON, set LOGO SCREEN to OFF on the OTHERS menu. (See page 25.)

■Date/time setting

- If the time has not been set, such as when the monitor is first turned on, set the date and time in DATE/TIME SETTING of the SETUP menu. Be sure to set the date and time.

TIPS

  • Set the date in "Year/Month/Day" order.
  • Set the time on a 24-hour basis.
  • The clock stops if the main power remains off for about 1 week.*
    (*Approximate time. The actual time varies depending on the state of the monitor.)

Basic Operation

SHARP PN-U423 - Basic Operation - 1

text_image POWER INPUT MUTE MENU VOL + BRIGHT- ENTER BRIGHT+ VOL - RETURN DISPLAY MODE SIZE 10 2 3 4 5 6 7 8

1. INPUT (Input mode selection)

The menu is displayed. Press ▲ or ▼ to select the input mode, and press ENTER to enter.

* You can select the input terminal by pressing the input switch of the monitor.

Input modeVideoAudio
DVI-DDVI-D input terminal*
DisplayPortDisplayPort input terminal
HDMIHDMI input terminal
D-SUBD-sub input terminal
COMPONENTComponent input terminals
VIDEOVideo input terminal

* Select the terminal for AUDIO SELECT which is used for audio input. (See page 23.)

2. MUTE

Turns off the volume temporarily.

Press the MUTE button again to turn the sound back to the previous level.

3. MENU

Displays and turns off the menu screen. (see page 20.)

4. VOL +/- (Volume adjustment)

Pressing ▲ or ▼ displays the VOLUME menu when the menu screen is not displayed.

SHARP PN-U423 - VOL +/- (Volume adjustment) - 1

text_image VOLUME 15

Press ▲ or ▼ to adjust the volume of the sound.

* If you do not press any buttons for about 5 seconds, the VOLUME menu automatically disappears.

5. BRIGHT +/- (Brightness adjustment)

Pressing □ or □ displays the BRIGHT menu when the menu screen is not displayed.

SHARP PN-U423 - BRIGHT +/- (Brightness adjustment) - 1

text_image BRIGHT 15

Press □ or ▶ to adjust the brightness.

* If you do not press any buttons for about 5 seconds, the BRIGHT menu automatically disappears.

6. ENTER

Confirms the setting.

7. RETURN

Returns to the previous screen.

8. SIZE (Screen size selection)

Each time you press this button, the screen size changes in the following order: (See page 19.)

WIDE → NORMAL → CUSTOM → Dot by Dot → WIDE...

9. DISPLAY

Displays monitor information (Input mode, Audio).

The display disappears automatically after about 5 seconds.

10. MODE (Color mode selection)

Each time you press this button, the color mode changes in the following order:

STD (Standard) → sRGB → HIGH ILLUMINANCE → STD...

  • HIGH ILLUMINANCE is a display with colors suited to bright locations.
  • sRGB is for DVI-D, DisplayPort, and D-SUB input only. sRGB is international standard of color representation specified by IEC (International Electrotechnical Commission). Color conversion is made in taking account of liquid crystal's characteristics and represents color tone close to its original image.

■Switching the screen size

Even when the screen size is changed, the display may remain the same depending on the input signal.

WIDESHARP PN-U423 - ■Switching the screen size - 1Displays image so it fills the entire screen.
NORMALSHARP PN-U423 - ■Switching the screen size - 2Displays image so it fills the screen without changing the aspect ratio of the input signals.
Dot by DotSHARP PN-U423 - ■Switching the screen size - 3Displays the dots of the input signals as the corresponding dots on the screen.
CUSTOMDisplays the image at the size set with CUSTOM ZOOM in the SCREEN menu.

TIPS

  • Using this monitor's screen-size switching or dual-screen display functions to compress or expand the screen for commercial or public viewing in establishments like cafes or hotels may infringe on the rights of the creators, as protected by Copyright Law, so please be careful.
  • When "Enlarge" is set, the screen size is fixed to WIDE mode.
  • When dual-screen display is selected, the screen size cannot be set to Dot by Dot or CUSTOM.
  • The appearance of the original video may change if you select a screen size with a different aspect ratio than the original image (e.g. TV broadcast or video input from external equipment).
  • When an ordinary non-wide image (4:3) is viewed with the whole screen using the screen-size switching function of this monitor, the edge of the image may be lost or appear distorted. If you wish to respect the creator's intentions, set the screen size to NORMAL.
  • When playing commercial software, parts of the image (like subtitles) may be cropped. In this case select the optimal screen size using the screen-size switching function of this monitor. With some software, there may be noise or distortion at the edges of the screen. This is due to the characteristics of the software, and is not a malfunction.
  • Depending on the original image size, black bands may remain at the edges of the screen.

Displaying the menu screen

Video and audio adjustment and settings of various functions are enabled. This section describes how to use the menu items. See pages 21 to 27 for details of each menu items.

Caution

- Do not turn the main power switch off while the menu items are being displayed. Doing so may initialize the settings.

■Example of operation

(Adjusting CONTRAST in the PICTURE menu)

  1. Press ☐ to display the menu screen.

SHARP PN-U423 - ■Example of operation - 1

text_image SCREEN PICTURE AUDIO SETUP MONITOR MULTI/PIP OTHERS SCREEN AUTO SELF ADJUST CLOCK 55 OFF PHASE 0 H-POS 50 V-POS 50 SIZE Dot by Dot CUSTOM ZOOM INPUT RESOLUTION RESET OK...[ENTER] END...[RETURN] 1920x1080 V: 60 Hz H: 67.5 kHz
  1. Press ▲ or ▼ to select PICTURE, and press ENTER.

  2. Press ▲ or ▼ to select CONTRAST.

SHARP PN-U423 - ■Example of operation - 2

text_image SCREEN PICTURE BRIGHT 31 CONTRAST 50 BLACK LEVEL 50 TINT COLORS SHARPNESS 50 COLOR ADJUSTMENT → ADVANCED → RESET → BACK—[RETURN] 1920x1080 V: 60 Hz H: 67.5 kHz
  1. Press □ or ▶ to adjust the setting.

SHARP PN-U423 - ■Example of operation - 3

text_image SCREEN PICTURE (BRIGHT) 31 CONTRAST 60 BLACK LEVEL 50 TINT COLORS SHARPNESS 50 COLOR ADJUSTMENT → ADVANCED → RESET → BACK…[RETURN] 1920x1080 V: 60 Hz H: 67.5 kHz AUDIO SETUP MONITOR MULTI/PIP OTHERS

For items that have ➕, press ENTER, make settings and then press RETURN.

  1. Press ☐ to close the menu screen.

TIPS

• The menu will differ depending on the input mode.
- The menu screen will close automatically if no operation is performed for about 45 seconds.

■Menu screen display
SHARP PN-U423 - TIPS - 1

text_image SCREEN PICTURE BRIGHT 31 CONTRAST 50 BLACK LEVEL 50 TINT COLORS 50 SHARPNESS COLOR ADJUSTMENT → ADVANCED → RESET → MONITOR MULTI/PIP OTHERS 1920x1080 V: 60 Hz H: 67.5 kHz BACK...[RETURN] (D-SUB)

1 Name of the menu
2 Input mode
3 An item being selected (highlighted)
4 Screen resolution of input signal, and other data.

TIPS

- Items that cannot be selected appear in gray. (e.g. Function not supported by the current input signal)

The menu will differ depending on the input mode.

■SCREEN

AUTO (D-SUB)

The CLOCK, PHASE, H-POS, and V-POS are automatically adjusted.

Pressing ☐ performs adjustment. Use this automatic adjustment when you use the D-SUB to display a PC screen for the first time or when you change the setting of the PC. (See page 28.)

SELF ADJUST (D-SUB)

On a D-SUB screen, specify whether to perform screen adjustment automatically or not.

When ON is selected, the screen is automatically adjusted when the timing of input signals changes.

For images with black edges, etc., depending on the signal, adjustment may not be possible. In this case select OFF. (Perform manual adjustment of the screen.)

CLOCK (D-SUB)

Adjusts frequency for sampling clock for applicable video.

Adjust when there is flickering in the form of vertical stripes.

When using the adjustment pattern (see page 28), make adjustments so that no vertical stripe noise appears in it.

PHASE (D-SUB)

Adjusts sampling clock phase for applicable video. Useful when small characters appear with low contrast and/or there are flickers at corners. When using the adjustment pattern (see page 28), make adjustments so that no horizontal stripe noise appears in it.

* Adjustments to PHASE should be made only after CLOCK has been correctly set.

H-POS (D-SUB)

Adjust the horizontal position of the image.

V-POS (D-SUB)

Adjust the vertical position of the image.

SIZE

Changes the screen size. The screen size can also be changed using a remote control unit. (See page 19.)

CUSTOM ZOOM

Sets the image size and display area when SIZE is set to CUSTOM.

ZOOM

Enlarge and display part of the image.

H-ZOOM

Adjust the horizontal size of the image.

V-ZOOM

Adjust the vertical size of the image.

H-POS / V-POS (D-SUB)

Adjust the display position of the enlarged image.

INPUT RESOLUTION (D-SUB)

If a computer connected to the D-SUB output any of the following resolution, make a selection from the following options.

768.....AUTO, 1024x768, 1280x768, or 1360x768

1050 AUTO, 1400x1050 or 1680x1050

1200 AUTO, 1600x1200 or 1920x1200

RESET

Resets the values of the SCREEN menu items to the factory preset values.

Select "ON" and then press ENTER.

■PICTURE

BRIGHT
Adjusts the backlight brightness.
CONTRAST
Adjusts the difference between the bright and dark portions of the image.
BLACK LEVEL
Adjusts the entire brightness of the video signals.
TINT (HDMI/COMPONENT/VIDEO)
Adjusts the hue. Selecting - changes the color towards green, and selecting + changes it towards magenta.
COLORS (HDMI/COMPONENT/VIDEO)
Adjusts the color intensity.
SHARPNESS
Adjusts the sharpness of the image.
COLOR ADJUSTMENT
COLOR MODE
Changes the color mode on the screen. The color mode on the screen can also be changed using a remote control unit. (See page 18.)* sRGB is DVI-D, DisplayPort, D-SUB input only. See page 18 for details.
WHITE BALANCE
THRU......Displays the input signal level as is.PRESET......Selects the color temperature using PRESET.USER......Used for adjusting R-/G-/B-GAIN and R-/G-/B-OFFSET respectively.
PRESET
Selects the color temperature when the WHITE BALANCE is set to PRESET.The setting values are shown for reference. The color temperature of the screen varies over time. This function is not intended to keep the color temperature constant.
USER
Adjusts each item when the WHITE BALANCE is set to USER.R-GAIN......Adjusts bright-toned red component.G-GAIN......Adjusts bright-toned green component.B-GAIN......Adjusts bright-toned blue component.R-OFFSET......Adjusts dark-toned red component.G-OFFSET......Adjusts dark-toned green component.B-OFFSET......Adjusts dark-toned blue component.
GAMMA
Selects the gamma.
ADVANCED
NOISE REDUCTION (HDMI/COMPONENT/VIDEO)
Reduce the noise of playback images on video.Setting a higher level reduces more noise. However, it may cause blurring on an image.
HDMI RGB INPUT RANGE (HDMI)
Sets the RGB input signal range. Set according to the image.When the setting is different, images will be displayed with washed out blacks and compressed gradients.
RESET
Resets the values of the PICTURE menu items to the factory preset values.Select “ON” and then press ENTER.

AUDIO

TREBLE
Adjusts the volume of treble-level sound.
BASS
Adjusts the volume of bass-level sound.
BALANCE
Adjusts the balance of the audio sound between right and left.
RESET
Resets the values of the AUDIO menu items to the factory preset values.Select “ON” and then press ENTER.

SETUP

DATE/TIME SETTING
Set the date and time. Press ▲ or ▶ to select the date and time, and press ▲ or ▼ to change the numerical values. Set the date in “Year/Month/Day” order. Set the time on a 24-hour basis.
SCHEDULE (See page 27.)
You can turn the power on/off at a specified time.
LANGUAGE
Sets the display language for the menu screen.
INPUT SELECT
HOT PLUG CONTROL Sets whether to use hot plug control for the DVI-D and HDMI input terminals.
AUDIO SELECT
Selects the terminal used to input audio signals in each input mode.
COMMUNICATION SETTING
RS-232C/LAN SELECT Selects the method with which to control the monitor from the computer.
LAN SETUP Configures the settings to control the monitor from the computer via LAN. (See page 39.)
ID No. SET
Assigns ID numbers to monitors connected in a daisy chain (see page 31), using the RS-232 cables. The numbers 1 to 26 are available for ID numbers. If “0” is set, the system regards this as the state where no ID number is set.
INFORMATION
Displays monitor information (model, serial number, MAC address).

■MONITOR

MONITOR
Select the installation direction of the monitor.LANDSCAPE......Landscape orientationPORTRAIT ......Portrait orientation
OSD H-POSITION
Adjusts the horizontal display position of menu screen.
OSD V-POSITION
Adjusts the vertical display position of menu screen.
STANDBY MODE
When STANDARD is selected, startup time from standby mode is reduced. Note, however that, more power will be consumed in standby mode.When LOW POWER is selected, current consumption is reduced while the monitor is in standby mode. Note, however, that the startup time from standby mode becomes longer.If set to LOW POWER, RS-232C commands cannot be used in standby mode and control via LAN is disabled.
OFF IF NO OPERATION
Determines whether or not to set the monitor to go into standby mode when there is no operation from the remote control unit, RS-232C commands, or LAN for over 4 hours.
POWER ON DELAY
You can delay the screen display after the monitor is turned on. The period can be set up to 60 seconds in units of 1 second.When this function is activated, the power LED flashes (at approx. 1 second interval) in orange.

■MULTI/PIP

MULTI
ENLARGE (See page 26.)Sets whether or not to use the enlarge function.
ADVANCED (ENLARGE)ENLARGE H / ENLARGE V......Sets the number of screen splits (number of monitors) in the horizontal/vertical direction used for the enlargement.ENLARGE-POS......Specify the split screen to be displayed when the enlargement function is used.
BEZEL ADJUSTWhen ENLARGE is set to ON, sets whether or not to use the frame correction function.

PIP/PbyP

PIP MODES (See page 26.)Sets the display method.OFF ...... Displays one screen.PIP ...... Displays a sub screen inside a main screen.PbyP...... Displays a main screen and a sub screen in a line.PbyP2...... Displays a main screen which measures 1440 pixels in the longest direction and a sub screen in a line.
PIP SIZESets the size of the sub screen in PIP mode.
PIP H-POSAdjusts the horizontal position of the sub screen in PIP mode.
PIP V-POSAdjusts the vertical position of the sub screen in PIP mode.
PIP SOURCESelects the input signal of the sub screen in PIP, PbyP, or PbyP2 mode.
SOUND CHANGESets the sound which is output in PIP, PbyP, or PbyP2 mode.

OTHERS

SCREEN MOTION

Residual images can be reduced by moving the entire screen vertically and horizontally. Set the time (operating interval) until the screen moves.

POWER MANAGEMENT

POWER MANAGEMENT determines whether or not to switch modes from no signal to the input signal standby mode. When the input mode is DisplayPort, HDMI, DVI-D, or D-SUB, or when the input mode is COMPONENT or VIDEO, the settings of each can be configured.

LOGO SCREEN

Sets whether or not to display the logo screen.

SCAN MODE (HDMI)

Sets the scan mode. OVERSCAN ..... Over-scan display UNDERSCAN..... Under-scan display

BACKLIGHT OFF

When set to ON, the backlight turns off. While the backlight is off, residual images are reduced by internal display of a residual image reduction pattern. BACKLIGHT OFF is canceled when any operation is performed, such as using the remote control unit.

COLOR SYSTEM (VIDEO)

Select the color system of the AV equipment which is connected to video input terminal. (AUTO / PAL / PAL-60 / SECAM / NTSC3.58 / NTSC4.43) When AUTO is selected, the color system is automatically set according to the input signal.

TIPS

  • If COLOR MODE is set to sRGB, the following items cannot be set.
    WHITE BALANCE, PRESET, USER, GAMMA, BLACK LEVEL and CONTRAST
  • When the COLOR MODE is set to HIGH ILLUMINANCE, GAMMA can not be adjusted.
  • When the SCREEN MOTION function is set to used, the SIZE is WIDE.
  • When dual-screen display is selected or Enlarge is used, the SCREEN MOTION function is disabled.
  • With some parameters, the same adjustment value may continue. This is because adjustment in 100 or more steps is possible internally, and is not a failure.

■Dual screen display

You can display two screens simultaneously. Set this function with PIP MODES of PIP/PbyP in the MULTI/ PIP menu.

PIPSHARP PN-U423 - ■Dual screen display - 1A sub screen is displayed inside a main screen.
PbyPSHARP PN-U423 - ■Dual screen display - 2A main screen and a sub screen are displayed in a line.
PbyP2SHARP PN-U423 - ■Dual screen display - 3Displays a main screen which measures 1440 pixels in the longest direction and a sub screen in a line.

* The currently selected input signal is displayed on the main screen.
* The following combinations A and B are available for display:

TIPS

  • You might infringe on a copyright of the author which is protected by copyright law when you display the images of the computer screen and television/VCR simultaneously for profit-making or to show the image to the public.
  • When the screen size is Dot by Dot or CUSTOM, dual-screen display is not possible.
  • When dual-screen display is selected, the screen size cannot be set to Dot by Dot or CUSTOM.
  • When PIP is selected, the sub screen is displayed at an aspect ratio of 4:3, regardless of the screen size setting.
  • When PbyP is selected, the main screen and sub screen are displayed at the aspect ratio of the input signal, regardless of the screen size setting.
  • When PbyP2 is selected, the main screen and sub screen are displayed at an aspect ratio of 4:3, regardless of the screen size setting.
  • When dual-screen display is selected, the SCREEN MOTION function is disabled.
  • When dual-screen display is selected, the screen cannot be enlarged.
  • When an interlaced signal (1080i, 480i, video) is input to the sub screen, horizontal lines may flicker. If this happens, display the image on the main screen.
  • When the main screen is DVI-D, HDMI, or DisplayPort, the input mode that can be selected is DVI-D, HDMI, or DisplayPort.
  • When the main screen is D-SUB, COMPONENT, or VIDEO, the input mode that can be selected is D-SUB, COMPONENT, or VIDEO.
  • In the following cases, dual-screen display is turned off:
  • The power is turned off
  • Input signal waiting mode is entered

■Enlarge

  • You can align several monitors and integrate them into a single large screen to display.
  • Up to 5 monitors can be aligned in both the horizontal and vertical directions.

• Each monitor displays enlarged views of separated images. (Example)

Horizontal direction: 2 monitors Vertical direction: 2 monitors

SHARP PN-U423 - ■Enlarge - 1

text_image Diagram showing transformation from a square with two concentric circles to a 2x2 grid, illustrating geometric transformation or mapping.

Horizontal direction: 3 monitors Vertical direction: 2 monitors

SHARP PN-U423 - ■Enlarge - 2

text_image Diagram showing transformation from a rectangle with a circle to a grid, illustrating geometric transformation or mapping.

Setting procedure

Set using MULTI in the MULTI/PIP menu.

  1. Set ENLARGE to ON.
  2. Select ADVANCED (ENLARGE).
  3. Set the number of monitors aligned in the horizontal direction in ENLARGE H.
  4. Set the number of monitors aligned in the vertical direction in ENLARGE V.
  5. Set the section of the separated image to be displayed on each monitor in ENLARGE-POS.

1) Press ENTER. 2) Press ▲, ▼, ▲ or ▲ to select position, then press MENU.

TIPS

  • When Enlarge is used, the SCREEN MOTION function is disabled.
  • When Enlarge is used, dual-screen display cannot be used.
  • When Enlarge is used, the SELF ADJUST function is disabled.

■SCHEDULE

You can set the time to switch the monitor on and off. Set this function with SCHEDULE in the SETUP menu. (See page 23.)

SHARP PN-U423 - ■SCHEDULE - 1

text_image SCHEDULE (1) XXXX / XX / XX XX XX : XX : XX (2) (3) (4) ON OFF INPUT — : — — (5) EVERY DAY MON TUE WED THU FRI SAT SUN EVERY WEEK 1920 x 1080 V: 60 Hz H: 67.5 kHz BACK---[RETURN]
  1. Press ▲ or ▼ to select the SCHEDULE number, and press ▶.
  2. Set the SCHEDULE. ((2) to (5) below)

Press □ or □ to select items.

  1. Press RETURN
  2. Press ▲ or ▼ to select the SCHEDULE number, and press ENTER. ((1) below)

SCHEDULE becomes effective.

(1) SCHEDULE number

Enable/disable the SCHEDULE with ENTER.

■: SCHEDULE effective

□: SCHEDULE not effective

(2) ON

Specify the time the power turns on with □ or □. Set the time on a 24-hour basis.

(3) OFF

Specify the time the power turns off with ▲ or ▼. Specify a time later than the time the power is turned on. Set the time on a 24-hour basis.

(4) INPUT

Specify the input mode at power on with ▲ or ▼. If you don't specify this the input active at the last power-off will appear.

(5) Day of the week

Specifies the day of the week to execute the SCHEDULE with ENTER.

  • EVERY DAY
    Executes the SCHEDULE every day regardless of the day of the week.
    • MON - SUN
    Executes the SCHEDULE once on the specified day.
  • EVERY WEEK
    Executes the SCHEDULE on the specified day every week.
    Select EVERY WEEK and specify the day of the week (MON - SUN).

Caution

  • Do not switch off the main power after setting the SCHEDULE.
  • Specify the correct date and time. (See page 23.) SCHEDULE does not function unless the date and time are specified.
  • Check regularly that the set date and time are correct.

TIPS

  • Up to 7 SCHEDULE items can be registered.
  • Setting the SCHEDULE flashes the power LED alternately in red and orange in standby mode.
  • A SCHEDULE that has a large number has precedence over that of a small number when schedules overlap.
  • In the following cases, set separate power-on SCHEDULE and power-off SCHEDULE:

  • The power is turned off and then on, in that order, in the SCHEDULE

  • The power is turned on and then off, in that order, in the SCHEDULE, but the power-off time is the next day or later

Adjustments for PC screen display

■Automatic adjustment

When you use the D-SUB to display a PC screen for the first time, or when you change the setting of the PC, use the automatic screen adjustment.

  1. Switch the input to D-SUB and display the adjustment pattern. (See the description below.)
  2. Press ☐ and use ▲ or ▼ to display the SCREEN menu.
  3. Press ENTER and select "AUTO".
  4. Press ENTER.
    The automatic adjustment is complete in several seconds.

TIPS

- If the screen cannot be adjusted properly with one automatic adjustment, repeat the automatic adjustment two or three times. Try manual adjustment if necessary.

■Screen display for adjustment

Before making adjustments in the SCREEN menu or PICTURE menu, display an image to brighten the entire screen. If you are using a Windows PC, use the adjustment pattern on the supplied CD-ROM.

Opening the adjustment pattern

The following example is performed in Windows 7.

  1. Load the supplied CD-ROM into the computer's CD-ROM drive.
  2. Open [CD Drive] in [Computer]. In Windows XP, open [CD Drive] in [My Computer].
  3. Double-click [Adj_uty.exe]. The adjustment pattern will appear. Adjust the screen automatically or manually.

SHARP PN-U423 - Opening the adjustment pattern - 1

natural_image Pure electrical circuit lines without any symbols
  1. When adjustment is finished, press the [Esc] on the computer's keyboard to quit the adjustment program.
  2. Eject the CD-ROM from the CD-ROM drive.

TIPS

- If the display mode on the computer you are using is 65,000 colors, the color levels in the color pattern may appear differently or grayscale may appear to be colored. (This is due to the specifications of the input signal and is not a malfunction.)

Initialization (Reset)/Functional Restriction Setting (FUNCTION)

You can return the settings to their factory-preset values and restrict operations.

  1. Hold ☐ down until "F" appears in the upper left corner of the screen.
  2. While "F" appears, press ▲, ▶, ▼, ▶ in that order.

SHARP PN-U423 - Initialization (Reset)/Functional Restriction Setting (FUNCTION) - 1

text_image FUNCTION ALL RESET ADJUSTMENT LOCK OFF OSD DISPLAY ON LED ON OK...[ENTER] BACK...[RETURN]

3. Select and set the items.

ALL RESET

Resets the settings to the factory default settings. (The settings in COMMUNICATION SETTING are retained.) Press ENTER, select ALL RESET, and then press ENTER. After initialization, turn the main power switch off and then back on.

ADJUSTMENT LOCK

You can disable operations on the monitor and the remote control unit that use buttons. OFF ...Enables operation. ON .....Disables all operations other than turning power on/off and FUNCTION.

OSD DISPLAY

Shows/hides the menu, modes and messages. The FUNCTION screen cannot be hidden. ON .... Shows menus, modes, and messages. OFF .... Hides menus, modes and messages.

LED

Specifies whether to light the power LED.

4. Press RETURN to return to the normal screen.

TIPS

- Even if LED is set to OFF, the power LED lights when a temperature alert occurs.

Controlling the Monitor with a PC (RS-232C)

You can control this monitor from a PC via RS-232C (COM port) on the PC.

You can also connect multiple monitors via a daisy chain by using a PC. By assigning ID numbers to each monitor (see page 31), you can make input mode selection/adjustment or can check the status of a specific monitor.

TIPS

  • To control the monitor via RS-232C, set RS-232C/LAN SELECT to RS-232C, and STANDBY MODE to STANDARD.
  • You cannot use RS-232C and LAN control simultaneously.

PC connection

■One-to-one connection with a PC

Connect with RS-232 straight cable between the PC's COM port (RS-232C connector) and the RS-232C input terminal on the monitor.

SHARP PN-U423 - ■One-to-one connection with a PC - 1

flowchart
graph LR
    A["RS-232C input terminal"] --> B["RS-232 straight cable (commercially available)"]
    B --> C["To COM port"]
    C --> D["PC"]

■Daisy chain connection... Advanced operation

PN-U553/PN-U473/PN-U423 monitors can be connected together in a daisy chain connection.

Connect with RS-232 straight cable between the PC's COM port (RS-232C connector) and the RS-232C input terminal on the first monitor.

Next, connect RS-232 straight cable to the first monitor's RS-232C output terminal and to the second monitor's RS-232C input terminal. Connect in the same way to the third and subsequent monitors.

Up to 25 monitors can be connected. (Depending on the length of the cable used and the surrounding environment.)

SHARP PN-U423 - ■Daisy chain connection... Advanced operation - 1

flowchart
graph TD
    A["Second monitor"] --> B["RS-232C output terminal"]
    C["First monitor"] --> D["RS-232C input terminal"]
    B --> E["PC"]
    D --> F["PC"]
    E --> G["To COM port"]
    F --> G
    style A fill:#f9f,stroke:#333
    style C fill:#f9f,stroke:#333
    style E fill:#ccf,stroke:#333
    style F fill:#ccf,stroke:#333

RS-232 straight cables (commercially available)

Communication conditions

Set the RS-232C communication settings on the PC to match the monitor's communication settings as follows:

Baud rate9600bps
Data length8 bits
Parity bitNone
Stop bit1 bit
Flow controlNone

Communication procedure

■Command format

When a command is sent from the PC to the monitor, the monitor operates according to the received command and sends a response message to the PC.

SHARP PN-U423 - ■Command format - 1

text_image C1 C2 C3 C4 P1 P2 P3 P4 Command field (4 prescribed alphanumerical characters) Parameter field (4 character string comprised of 0-9, +, -, space, ?) Return code

Example: VOLM0030 VOLM ____ 30

* Be sure to input 4 characters for the parameter. Pad with spaces ("____") if necessary. ("☐" is a return code (0DH, 0AH or 0DH)) Wrong : VOLM30 Right : VOLM__ 30

Do not use spaces for MPOS, DATE, and SH01 through SH07. Specify parameters using a specified number of characters.

Example: MPOS010097

If a command has "R" listed for "DIRECTION" in the "RS-232C command table" on page 34, the current value can be returned by using "?" as the parameter.

Example:

VOLM ? ? ? ? ← From PC to monitor (How much is current volume setting?). 30 ← From monitor to PC (Current volume setting: 30).

* If an ID number (see page 31) has been assigned (For example, ID number = 1).

VOLM _? ← From PC to monitor. 30_001 ← From monitor to PC.

■Response code format

When a command has been executed correctly

SHARP PN-U423 - When a command has been executed correctly - 1

A response is returned after a command is executed.

* If an ID number has been assigned

SHARP PN-U423 - When a command has been executed correctly - 2

text_image Space (20H) Return code (0DH, 0AH) O K SPC 0 0 1 ↓ ID number of responding monitor

When a command has not been executed

SHARP PN-U423 - When a command has not been executed - 1

* If an ID number has been assigned

SHARP PN-U423 - When a command has not been executed - 2

text_image Space (20H) Return code (0DH, 0AH) E R R SPC 0 0 1 ↓ ID number

TIPS

  • "ERR" is returned when there is no relevant command or when the command cannot be used in the current state of the monitor.
  • If communication has not been established for reasons such as a bad connection between the PC and monitor, nothing is returned (not even ERR).
  • "ERR" may be returned when a command cannot be received correctly due to interference from the surrounding environment.

Please ensure that the system or software retries the command if this occurs.

- If no monitor has been assigned the designated ID number (e.g. if the command IDSL0002 is used, but no monitor with ID number: 2 is found), no response is returned.

If execution of the command is taking some time

SHARP PN-U423 - If execution of the command is taking some time - 1

When the following commands are used, "WAIT" is returned. In this case, a value will be returned if you wait a while. Do not send any command during this period. No ID number is attached to WAIT response.

- Commands which return WAIT:

  1. When repeater control is used
  2. When an IDSL or IDLK command is used
  3. When one of the following commands is used: RSET, INPS, ASNC, WIDE, PXSL, POWR, MWIN, MWIP, EMHV, EPHV, ESHV, ENLG, BOMD

■Communication interval

• After OK or ERR is returned, you must send the following commands.
To set a timeout for the command response, specify 10 seconds or longer.
When connecting multiple monitors in a daisy chain, set the timeout to at least the product of the monitor's position from the computer multiplied by 10 seconds.
Example) 3rd monitor from computer: 30 seconds or longer.
- Provide an interval of 100 ms or more between the command response and the transmission of the next command.

SHARP PN-U423 - ■Communication interval - 1

text_image VOLM0020 OK ↓ Interval of 100 ms or more INPS0001 WAIT OK

TIPS

  • When executing ALL RESET, set the timeout period to 30 seconds or longer.
  • When turning the power on while the POWER ON DELAY function is in use, set the timeout period to the POWER ON DELAY period + 10 seconds or longer.

Advanced operation

This section explains commands for daisy chain connection. The basic communication procedure is the same as in the "One-to-one connection with a PC" section.

ID numbers

You can assign a unique ID number to each monitor (see page 23). This allows you to control a particular monitor in a daisy chain of monitors.

You can assign ID numbers either from the menu screen or from the PC using RS-232 cable.

[Example]
SHARP PN-U423 - ID numbers - 1

flowchart
graph LR
    A["Computer"] --> B[" "] --> C[" "] --> D[" "] --> E[" "]

If monitors are connected as shown above, you can execute commands like "Set the volume of the monitor with ID 4 to 20".

When designating ID numbers for a set of monitors linked in a daisy chain, you should basically avoid any duplication of ID numbers.

ID numbers do not have to be assigned in ascending order starting from the PC. They can also be connected as shown below.

[Example]
SHARP PN-U423 - ID numbers - 2

flowchart
graph LR
    A["Computer"] --> B["ID number: 3"]
    B --> C["ID number: 2"]
    C --> D["ID number: 4"]
    D --> E["ID number: 1"]

■Commands for ID control

The command examples shown on this page assume the following connection and ID number set up.

SHARP PN-U423 - ■Commands for ID control - 1

flowchart
graph LR
    A["Computer"] --> B["ID number: 1"]
    B --> C["ID number: 2"]
    C --> D["ID number: 3"]
    D --> E["ID number: 4"]

IDST ......A monitor receiving this command sets its own ID number in the parameter field.

Example:

IDST0001

OK 001 ← The ID number of this monitor is set to 1.

TIPS

You can automatically assign ID numbers by using the IDST command with the Repeater control (see "Repeater control" on page 33).

For example, using the command "IDST001+" automatically sets the ID numbers, as shown below.

[Example]

SHARP PN-U423 - TIPS - 1

flowchart
graph LR
    A["Computer"] --> B[" "] --> C[" "] --> D[" "] --> E[" "]

IDST001 + ← ID setting command with repeater control WAIT

OK 001 ← "OK" response from ID number: 1

OK _ 002 ← "OK" response from ID number: 2

OK _ 003 ← "OK" response from ID number: 3

OK _ 004 ← "OK" response from ID number: 4 (End)

IDSL ......The parameter of this command sets the ID number of the monitor. The monitor is subject to the next command.

Example:

IDSL0002The next command is for the monitor with ID number: 2.
WAITSearching for monitor with ID number: 2
OK _ 002Found monitor with ID number: 2
VOLM0030Sets volume of monitor with ID number: 2 to 30.
WAITProcessing
OK _ 002OK response from monitor with ID number: 2
VOLM0020Sets volume to 20.
OK _ 001The volume of the monitor with ID number: 1 (the one directly connected to the PC) is set to 20.*

* The IDSL command is effective only once, for the immediately succeeding command.

IDLK ....The parameter of this command sets the ID number of the monitor. The monitor is subject to all subsequent commands.

Example:

IDLK0002 ← Following commands are for the monitor with ID number: 2. WAIT ← Searching for monitor with ID number: 2

OK 002 ← Found monitor with ID number: 2

VOLM0030 ← Sets volume of monitor with ID number: 2 to 30.*

WAIT ← Processing

OK_002

VOLM0020 ← Sets volume of monitor with ID number: 2 to 20.*

WAIT

OK 002

IDLK0000 ← Canceling fixed ID number setting

WAIT ← Canceling IDLK

OK 002 ← Cancelation complete

VOLM0010

The volume of the monitor with ID number: OK _ 001 ← 1 (the one directly connected to the PC) is set to 10. (IDLK is canceled.)

* The IDLK command remains effective until it is canceled, or power is shut off.

■Repeater control

This system has a function to allow setting of multiple monitors connected in a daisy chain using a single command. This function is called repeater control. You can use Repeater control function without assigning ID numbers.

[Example]
SHARP PN-U423 - ■Repeater control - 1

flowchart
graph LR
    A["Computer"] --> B["Set 1"]
    B --> C["Set 2"]
    C --> D["Set 3"]
    D --> E["Set 4"]

* If monitors are connected as shown above, you can execute a command like "Set all monitors' input settings to D-SUB".

■Repeater control command

Repeater control is achieved by setting the FOURTH CHARACTER of the parameter to "+".

Example:

VOLM030 + ← Sets volume of all monitors to 30.

In repeater control, responses are returned by all the connected monitors.

If you want to determine that a value has been returned by a specific set, assign ID numbers to each monitor in advance. When some monitors do not return their responses, the probable cause is that the monitors could not receive the command or command processing is not complete. Do not send a new command.

Example: (When 4 monitors are connected, and assigned ID numbers: 1 through 4)

VOLM030 +

WAIT

OK 001

OK 002

OK_003

OK 004

← If 4 monitors are connected in a chain, reliable operation can be ensured by sending a new command only after a reply has been returned by 4th (last) monitor.

Repeater control can also be used for reading settings.

Example:

VOLM ? ? ? +

WAIT

10 001

20 002

30 003

30 004

Volume settings for all monitors are returned.

TIPS

- If repeater control is used during ID designation (IDSL, IDLK), the ID designation is canceled.

RS-232C command table

How to read the command table

Command: Command field (See page 30.)

Direction: W When the "Parameter" is set in the parameter field (see page 30), the command functions as described under "Control/Response Contents".

R The returned value indicated under "Reply" can be obtained by setting "????", "☐☐☐?" or "???+" (repeater control) in the parameter field (see page 30).

Parameter: Parameter field (See page 30.)

Reply: Response (Returned value)

* : "o" indicates a command which can be used in power standby mode.

“-” indicates a command which cannot be used in power standby mode.

(When STANDBY MODE is STANDARD. When set to LOW POWER, RS-232C commands cannot be used.)

Power control/Input mode selection

FunctionCommandDirectionParameterReplyControl/Response contents*
POWER CONTROLPOWRW0Switches to standby mode.
1Returns from standby mode.
R0Standby mode
1Normal mode
2Input signal waiting mode
INPUT MODE SELECTIONINPSW0Toggle change for input mode.
1DVI-D
2D-SUB
3COMPONENT
4VIDEO
9HDMI
14DisplayPort
R1DVI-D
2D-SUB
3COMPONENT
4VIDEO
9HDMI
14DisplayPort

SCREEN menu

FunctionCommandDirectionParameterReplyControl/Response contents*
AUTOASNCW1When the input mode is D-SUB.-
SELF ADJUSTAADJWR0-10-10: OFF, 1: ON
CLOCKCLCKWR0-1000-100When the input mode is D-SUB.-
PHASEPHSEWR0-1000-100When the input mode is D-SUB.
POSITIONINGPOSITION OF THE LONGEST DIRECTIONHPOSWR0-1000-100When the input mode is D-SUB.
POSITION OF THE SHORTEST DIRECTIONVPOSWR0-1000-100When the input mode is D-SUB.
SIZE (DVI-D, DisplayPort, D-SUB)WIDEWR1-3,61-3,61: WIDE, 2: NORMAL, 3: Dot by Dot, 6: CUSTOM
SIZE (HDMI, COMPONENT, VIDEO)WIDEWR1,4-61,4-61: WIDE, 4: NORMAL, 5: Dot by Dot, 6: CUSTOM
CUSTOM ZOOMZOOMCZSZWR0-1000-100
SIZE OF THE LONGEST DIRECTIONCZHSWR0-1000-100
SIZE OF THE SHORTEST DIRECTIONCZVSWR0-1000-100
POSITION OF THE LONGEST DIRECTIONCZHPWR0-1000-100When the input mode is D-SUB.
POSITION OF THE SHORTEST DIRECTIONCZVPWR0-1000-100When the input mode is D-SUB.
INPUT RESOLUTION (DVI-D, DisplayPort, D-SUB)RESOLUTION CHECKPXCKR-Returns current resolution in the form of hhh, vvv.
PIXEL SETTING (D-SUB)PXSLWR11768) 1360 x 768
22768) 1280 x 768
33768) 1024 x 768
771050) 1680 x 1050
881050) 1400 x 1050
99768) AUTO
11111200) 1920 x 1200
12121200) 1600 x 1200
13131050) AUTO
14141200) AUTO
INPUT RESOLUTION (HDMI, COMPONENT, VIDEO)RESOLUTION CHECKRESOR-480i, 480p, 1080i, 720p, 1080p, etc.
RESETARSTW1

PICTURE menu

FunctionCommandDirectionParameterReplyControl/Response contents*
BRIGHTVLMPWR0-310-31
CONTRASTCONTWR0-1000-100
BLACK LEVELBLVLWR0-1000-100
TINT (HDMI, COMPONENT, VIDEO)TINTWR0-1000-100
COLORS (HDMI, COMPONENT, VIDEO)COLRWR0-1000-100
SHARPNESSSHRPWR0-1000-100
COLOR ADJUSTMENTCOLOR MODEBMODWR00STD
33sRGB (When the input mode is DVI-D, DisplayPort, D-SUB)
44HIGH ILLUMINANCE
WHITE BALANCETHRUCTMPWR00
PRESET1-181-18From 1: approximately 3,000K to 15: approximately 10,000K (500K steps)16: approximately 5,600K, 17: approximately 9,300K, 18: approximately 3,200K
USER9999
R-GAINCRTRWR0-2560-256"ERR" when CTMP is not set to 99.
G-GAINCRTGWR0-2560-256
B-GAINCRTBWR0-2560-256
R-OFFSETOFSRWR0-2550-255
G-OFFSETOFSGWR0-2550-255
B-OFFSETOFSBWR0-2550-255
GAMMAGAMMWR0-2, 50-2, 50: 1.8, 1: 2.2, 2: 2.4, 5: 2.0
ADVANCEDNOISE REDUCTION (HDMI, COMPONENT, VIDEO)TDNRWR0-20-20: OFF, 1: LOW, 2: HIGH
HDMI RGB INPUT RANGE (HDMI)AHDRWR1-21-21: FULL, 2: LIMITED
RESETARSTW2-

AUDIO menu

FunctionCommandDirectionParameterReplyControl/Response contents*
TREBLEAUTRWR0-1000-100
BASSAUBSWR0-1000-100
BALANCEAUBLWR0-1000-100
RESETARSTW3-

SETUP menu

FunctionCommandDirectionParameterReplyControl/Response contents*
DATE/TIME SETTINGDATEWRAABBCCDDEEAABBCCDDEEAA: Year, BB: Month, CC: Day, DD: Hour, EE: MinuteO
SCHEDULESH01-SH07WRABBCCDDEEFGHIJKLMNOABBCCDDEEFGHIJKLMNOSchedule of a specified numberA : Schedule 0= Not effective, 1 = EffectiveB : Power-on hour 00-23, 99 = Not effectiveC : Power-on minute 00-59, 99 = Not effectiveD : Power-off hour 00-23, 99 = Not effectiveE : Power-off minute 00-59, 99 = Not effectiveF : Input 0 = Not specified, 1 = DVI-D, 2 = DisplayPort, 3 = HDMI, 4 = D-SUB, 5 = COMPONENT, 6 = VIDEOG : EVERY DAY 0 = OFF, 1 = ONH : EVERY WEEK 0 = OFF, 1 = ONI-O : MON-SUN 0 = OFF, 1 = ON
LANGUAGELANGWR1414ENGLISH
11DEUTSCH
22FRANÇAIS
33ITALIANO
44ESPAÑOL
55РУССКИЙ
66日本語
INPUT SELECTHOT PLUGCONTROL (DVI-D)HPCTWR0-10-10: OFF, 1: ON
HOT PLUGCONTROL (HDMI)HPCHWR0-10-10: OFF, 1: ON
AUDIO SELECTDVI-DASDPWR1-21-21: AUDIO1, 2: AUDIO2
D-SUBASAPWR1-21-21: AUDIO1, 2: AUDIO2
HDMIASHAWR0-20-20: HDMI, 1: AUDIO1, 2: AUDIO2
COMPONENTASCAWR1-21-21: AUDIO1, 2: AUDIO2
VIDEOASVAWR1-21-21: AUDIO1, 2: AUDIO2
DisplayPortASDIWR1-31-31: AUDIO1, 2: AUDIO2, 3: DisplayPort
ID SETTINGID NO.SETTINGIDSTW0-26Sets the monitor's ID number. ("0" means "no ID number".)
R0-26Returns the monitor's ID number.
ID NO. SETTING(ONCE)IDSLW1-26Sets a monitor ID number.This ID number is only effective for the command immediately after this command.
0Clears the ID number if one has been designated.
ID NO. SETTING(SUBSEQUENT)IDLKW1-26Sets a monitor ID number.This ID number is effective for the next and all subsequent commands after this command.
0Clears the ID number if one has been designated.
INFORMATIONMODELINF1RValue
SERIAL NOSRNORValue

MONITOR menu

FunctionCommandDirectionParameterReplyControl/Response contents*
MONITORSTDRWR0-10-10: LANDSCAPE, 1: PORTRAIT
OSD H-POSITIONOSDHWR0-1000-100
OSD V-POSITIONOSDVWR0-1000-100
STANDBY MODESTBMWR0-10-10: STANDARD, 1: LOW POWER
OFF IF NO OPERATIONATOFWR0-10-10: OFF, 1: ON
POWER ON DELAYPWODWR0-600-600: OFF, 1-60 seconds

MULTI/PIP menu

FunctionCommandDirectionParameterReplyControl/Response contents*
ENLARGEENLGWR0-10-10: OFF, 1: ON-
ENLARGE MODEEMHVWR11-5511-551 x 1 (OFF) to 5 x 5 ("m x n" is expressed as "mn", where m and n are the numbers of monitors specified for the longest direction and the shortest direction respectively.)
IMAGE POSITION (M x N)EPHVWR11-5511-55Specifies values in the order of IMAGE POSITION IN LONGEST/ SHORTEST DIRECTION.
BEZEL ADJUSTBZCOWR0-10-10: OFF, 1: ON
ENLARGE/IMAGE POSITION SETTINGESHVWRXXYYXXYYXX: ENLARGE MODE (Same as EMHV), YY: IMAGE POSITION (Same as EPHV)
PIP MODESMWINWR0-30-30: OFF, 1: PIP, 2: PbyP, 3: PbyP2
PIP SIZEMWSZWR0-20-20: SMALL, 1: MIDDLE, 2: LARGE
PIP POSTHE LONGEST DIRECTIONMHPSW0-100
R0-100
THE SHORTEST DIRECTIONMVPSW0-100
R0-100
PIP POS LD+SD BATCHMPOSW0-100,0-100Specify the position in MPOSxxxxyy format. (xxx: Longer side, yyy: Shorter side position)
R0-100,0-100Returns a response in (xxx,yyy) format. (xxx: Longer side, yyy: Shorter side position)
PIP SOURCEMWIPWR11DVI-D
22D-SUB
33COMPONENT
44VIDEO
99HDMI
1414DisplayPort
SOUND CHANGEMWADWR1-21-21: MAIN, 2: SUB

OTHERS menu

FunctionCommandDirectionParameterReplyControl/Response contents*
SCREEN MOTIONMTIMWR0-9000-9000: OFF, 10-900: Operating interval (Per 10 seconds)
POWER MANAGEMENT(DisplayPort, HDMI, DVI-D, D-SUB)PMNGWR0-10-10: OFF, 1: ON
POWER MANAGEMENTCOMPONENT, VIDEO)PMAVWR0-10-10: OFF, 1: ON
LOGO SCREENBTSCWR0-10-10: OFF, 1: ON
SCAN MODESCANWR0-10-10: OVERSCAN, 1: UNDERSCAN(When the input mode is HDMI)-
BACKLIGHT OFFBOMDW0-10: Enters BACKLIGHT OFF mode, 1: Exits BACKLIGHT OFF mode
R0-10: BACKLIGHT OFF mode, 1: Normal operation state
COLOR SYSTEM (VIDEO)CSYSWR0-50-50: AUTO, 1: PAL, 2: PAL-60, 3: SECAM, 4: NTSC3.58, 5: NTSC4.43

Initialization/Functional Restriction Setting (FUNCTION) menu

FunctionCommandDirectionParameterReplyControl/Response contents*
ALL RESETRSETW11: ALL RESET-
ADJUSTMENT LOCKALCKWR0-10-10: OFF, 1:ON
OSD DISPLAYLOSDWR0-10-10: ON, 1: OFF
LEDOFLDWR0-10-10: ON, 1: OFF

Others

FunctionCommandDirectionParameterReplyControl/Response contents*
VOLUMEVOLMWR0-310-31
MUTEMUTEWR0-10-10: OFF, 1: ON-
TEMPERATURE SENSORDSTAR0Internal temperature normal
1Internal temperature abnormal has occurred and the monitor is in standby mode
2Internal temperature abnormal occurred (To delete the information of temperature abnormal, turn off the main power.)
3Internal temperature abnormal has occurred and backlight brightness is dimmed
4Temperature sensor abnormal
TEMPERATURE ACQUISITIONERRTRValueReturns the temperature at the temperature sensors in the following format. [Sensor 1] [Sensor 2] Indicates a temperature sensor abnormality when "126" is returned.
CAUSE OF LAST STANDBY MODESTCAW0Initialization
R0No detectable error has occurred
1Standby mode by POWER button
2Main power off by the main power switch
3Standby mode by RS-232C or LAN
4Input signal waiting mode by No Signal
6Standby mode by abnormal temperature
8Standby mode by SCHEDULE setting
20Standby mode by OFF IF NO OPERATION setting

TIPS

- With some commands, the settings of an item are not continuous. In that case, the entered parameter will be set to the closest setting.

(Example) When the settings are “...45, 50, 55...”:

The entered parameter is "50", "51", or "52", "50" is set.

The entered parameter is "53", "54", or "55", "55" is set.

- With some commands, the number set in the menu screen may differ from the number of the parameter.

Controlling the Monitor with a PC (LAN)

Your monitor can be connected to a LAN allowing you to control it from a PC on the LAN.

The connection requires a commercially available LAN cable (UTP cable, Category 5, straight through).

SHARP PN-U423 - Controlling the Monitor with a PC (LAN) - 1

flowchart
graph TD
    A["LAN terminal"] --> B["Network (LAN)"]
    B --> C["Hub"]
    C --> D["LAN cable (commercially available, straight)"]

TIPS

  • You must assign an IP address to the monitor by following the procedures in "Settings to connect to a LAN". (See the description on the right.)
  • Your PC must be installed with Internet Explorer (version 7.0 or later).
  • Version 7, 8, or 9 of Internet Explorer is recommended.
  • Use Internet Explorer Version 10 in compatibility mode.
  • To control the monitor via LAN, set RS-232C/LAN SELECT to LAN, and STANDBY MODE to STANDARD.
  • You cannot use RS-232C and LAN control simultaneously.

Settings to connect to a LAN

Set the monitor's IP address and subnet mask to match the settings of your LAN.

These settings can be made on either the monitor or a PC connected to the monitor.

The settings depend on the configuration of your LAN. Ask your LAN administrator for details.

■ To set on the monitor

Set RS-232C/LAN SELECT of COMMUNICATION SETTING on the SETUP menu to LAN, and then set the LAN SETUP options. (See page 23.)

After setting each item, press RETURN

DHCP CLIENT

If your LAN has a DHCP server and you wish to obtain an address automatically, change this setting to ON.

To set the address manually, set this to OFF.

IP ADDRESS

If the DHCP CLIENT is set to OFF, specify an IP address. Press ▶ or ▶ to select items, and press ▶ or ▶ to change the values.

SUBNET MASK

If the DHCP CLIENT is set to OFF, specify the subnet mask. Press ▶ or ▶ to select items, and press ▶ or ▶ to change the values.

DEFAULT GATEWAY

If the DHCP CLIENT is set to OFF, specify the default gateway.

If you are not using a gateway, specify "000.000.000.000". Press ▶ or ▶ to select items, and press ▶ or ▶ to change the values.

■ To set from a PC

When the monitor is connected to a PC, LAN settings can be configured via PC.

Set up process

(1) Connect your monitor to a PC
(2) Specify the PC's IP address
(3) Configure the monitor's LAN settings

(1) Connecting your monitor to a PC

Connect a commercially available crossover LAN cable (UPT cable, Category 5) to the LAN port on the PC and this monitor.

SHARP PN-U423 - Connecting your monitor to a PC - 1

flowchart
graph TD
    A["LAN terminal"] --> B["LAN cable (commercially available, crossover)"]
    B --> C["PC"]
    style A fill:#f9f,stroke:#333
    style C fill:#ccf,stroke:#333

(2) Specifying the PC's IP address

To configure the monitor's LAN settings, you must temporarily change the settings on the PC.

This explanation is based on Windows 7.

  1. Log on to the PC with an administrator account.
  2. Click [Start], and then click "Control Panel".
  3. Click "View network status and tasks" in "Network and Internet". In "Classic View", click "Network and Sharing Center".
  4. Click "Local Area Connection" and then "Properties"
  5. Click "Internet Protocol Version 4 (TCP/IPv4)" and then "Properties".
  6. Make a note of the current IP address, subnet mask, and default gateway settings.

Make sure you write this information now as you will be changing the IP address, subnet mask, and default gateway settings back to these settings afterwards.

  1. Temporarily change the IP address and subnet mask. To access the monitor as it is shipped from the factory, set as follows.

• IP Address: 192.168.150.1
- Subnet Mask: 255.255.255.0
- Default Gateway: (leave blank)

SHARP PN-U423 - Specifying the PC's IP address - 1

text_image Internet Protocol Version 4 (TCP/IPv4) Properties General You can get IP settings assigned automatically if your network supports this capability. Otherwise, you need to ask your network administrator for the appropriate IP settings. Obtain an IP address automatically Use the following IP address: IP address: 192 . 168 . 150 . 1 Subnet mask: 255 . 255 . 255 . 0 Default gateway: . . .
  1. Click [OK] and then reboot the PC.

TIPS

- This monitor is factory preset as shown below. (When DHCP CLIENT is set to OFF)

IP Address : 192.168.150.2

Subnet Mask : 255.255.255.0

Default Gateway : 0.0.0.0

(3) Configuring the monitor's LAN settings

Access the monitor using Internet Explorer.

Controlling the monitor

  1. Turn the power ON to the monitor.
  2. Set RS-232C/LAN SELECT of COMMUNICATION SETTING on the SETUP menu to LAN.
  3. Set DHCP CLIENT of LAN SETUP of COMMUNICATION SETTING on the SETUP menu to OFF.

PC operation

  1. Launch Internet Explorer, in the "Address" box type "http://192.168.150.2/" and press the Enter key.

SHARP PN-U423 - PC operation - 1

  1. Leave the "Username" and "Password" boxes blank and click [Login].

SHARP PN-U423 - PC operation - 2

text_image Login Username Password Login

6. Click SETUP.

SHARP PN-U423 - Click SETUP. - 1

text_image SCREEN PICTURE AUDIO .SETUP MONITOR MULTI/PIP OTHERS SNMP FUNCTION AUTO ▶ SELF ADJUST ON - CLOCK 47 PHASE 0 IL POS 50 V-POS 50 SIZE WIDE - CUSTOM ZOOM ▶ INPUT RESOLUTION AUTO - RESET ▶

7. Click [▶] next to LAN SETUP.

SHARP PN-U423 - Click [▶] next to LAN SETUP. - 1

text_image . SCREEN . PICTURE . AUDIO . SETUP . MONITOR . MULTI/PIP . OTHERS . SNMP . FUNCTION SETUP DATE/TIME SETTING ▶ SCHEDULE ▶ LANGUAGE English · HOT PLUG CONTROL ▶ AUDIO SELECT AUDIO1 LAN SETUP ▶ ID No. SET 0 (5-26) INFORMATION ▶

8. Specify the DHCP CLIENT, IP ADDRESS, etc.

SHARP PN-U423 - Specify the DHCP CLIENT, IP ADDRESS, etc. - 1

text_image . SCREEN . PICTURE . AUDIO . SETUP . MONITOR . MULTI/PIP . OTHERS . SNMP . FUNCTION LAN SETUP DHCP CLIENT Off - IP ADDRESS 192.168.150.2 SUBNET MASK 255.255.255.0 DEFAULT GATEWAY 0.0.0.0 Apply

DHCP CLIENT

If your LAN has a DHCP server and you wish to obtain an address automatically, change this setting to ON. To set the address manually, set this to OFF.

IP ADDRESS

If the DHCP CLIENT is set to OFF, specify an IP address.

SUBNET MASK

If the DHCP CLIENT is set to OFF, specify the subnet mask.

DEFAULT GATEWAY

If the DHCP CLIENT is set to OFF, specify the default gateway. If you are not using a default gateway, specify "0.0.0.0".

  1. When the setting is changed, click [Apply].
  2. Exit Internet Explorer.
  3. Restore the PC's IP address jotted in Step 6, "(2) Specifying the PC's IP address".
  4. Connect the monitor and the PC to the LAN.

Controlling with a PC

■ Basic operation

You use Internet Explorer on a PC on the LAN to control the monitor.

  1. Launch Internet Explorer on the PC.
  2. In the "Address" box, type "http://" followed by your monitor's IP address followed by "/", then press the Enter key.

SHARP PN-U423 - ■ Basic operation - 1

3. Enter in "Username" and in "Password", and click [Login].

SHARP PN-U423 - Enter in "Username" and in "Password", and click [Login]. - 1

text_image Login Browse Password Login

Enter the user name and password set in SECURITY. If you did not make any SECURITY settings, leave the spaces blank and click on [Login].

4. You can configure settings in each setting screen.

SHARP PN-U423 - You can configure settings in each setting screen. - 1

text_image . SCREEN , PICTURE , AUDIO , SETUP , MONITOR , MULTI-PIP , OTHERS , SNMP , FUNCTION SCREEN AUTO ▶ SELF ADJUST ON - CLOCK 47 PHASE 0 H POS 50 V POS 50 SIZE WIDE - CUSTOM ZOOM ▶ INPUT RESOLUTION AUTO - RESET ▶

TIPS

- You cannot operate the monitor while it is warming up.

■ PC operation

SHARP PN-U423 - ■ PC operation - 1

text_image 1 • SCREEN • PICTURE • AUDIO • SETUP • MONITOR • MULTI/PIP • OTHERS • SNMP • FUNCTION 5 Power On / Off Status: Power On 2 PICTURE BRIGHT 31 (0-31) CONTRAST 34 (0-100) BLACK LEVEL 38 (0-100) TINT 5 (0-100) COLORS 5 (0-100) SHARPNESS 3 34 (0-100) COLOR ADJUSTMENT HDMI RGB INPUT RANGE 4 .IMITED - NOISE REDUCTION OFF - INPUT SOURCE D-SUB

For details on each item, see below.

SCREENPage 21
PICTUREPage 22
INPUT SOURCEPage 18
AUDIOPage 23
VOLUMEPage 18
SETUPPage 23
SCHEDULEPage 27
LAN SETUPPage 43
MONITORPage 24
MULTI/PIPPage 24
OTHERSPage 25
SNMPPage 43
FUNCTIONPage 29
  1. Display a setting screen.

  2. Click [+][-] to adjust. If there is a text box, you can also directly enter a number.

  3. Click [▶] and adjust in the screen that appears.

  4. Click and select an item from the menu that appears.

  5. Click to turn the power on/off.

* Make sure that the setting is applied before performing the next step. If clicked repeatedly, the setting may not be properly applied.

■ LAN SETUP / SECURITY / GENERAL

This screen allows you to set the settings necessary when the monitor is connected to a LAN.

SHARP PN-U423 - ■ LAN SETUP / SECURITY / GENERAL - 1

text_image SCREEN • PICTURE • AUDIO • SETUP • MONITOR • MULTIP/IP • OTHERS • SNMP • FUNCTION LAN SETUP MBCP CLIENT OF * IP ADDRESS: 192 108.150.2 SUBNET MASK 255.255.255.9 DEFAULT GATEWAY 0.0.0 LANT SECURITY USERNAME [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] ( ) PASSWORDS [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] Confirmed Please check LAN settings (14.1.1.1) or (14.1.1.1.1) Status: Power On End

DHCP CLIENT

If your LAN has a DHCP server and you wish to obtain an address automatically, change this setting to ON. To set the address manually, set this to OFF.

IP ADDRESS

If the DHCP CLIENT is set to OFF, specify an IP address.

SUBNET MASK

If the DHCP CLIENT is set to OFF, specify the subnet mask.

DEFAULT GATEWAY

If the DHCP CLIENT is set to OFF, specify the default gateway. If you are not using a default gateway, specify "0.0.0.0"

USER NAME / PASSWORD / Confirm PASSWORD

Sets up a user name and password to restrict access to this monitor. For confirmation, reenter the password you entered in PASSWORD in Confirm PASSWORD.

AUTO LOGOUT TIME

Specify the time (in minutes) to elapse before automatically disconnecting this monitor from the network. Specify in minutes from 1 to 65535. A value of '0' will disable this function.

DATA PORT

Specify the TCP port number to use for exchanging data with the monitor. Specify a value from 1025 to 65535.

SEARCH PORT

Specify the port number to use when searching for this monitor. Specify a value from 1025 to 65535.

TIPS

• After you have changed the settings, click [Apply].
• After you have changed the settings in DATA PORT and SEARCH PORT, click [Reboot].

SNMP

You can configure settings related to SNMP.

SHARP PN-U423 - SNMP - 1

text_image • SCREEN • PICTURE • AUDIO • SETUP • MONITOR • MULTI/PIP • OTIERS • SNMP • FUNCTION SNMP - GENERAL SNMP SETTING OFF * COMMUNITY NAME 1 NAJ 10.0000 Read * COMMUNITY NAME 2 NAJ 10.0000 Read * COMMUNITY NAME 3 NAJ 10.0000 Read * SNMP - TRAP TRAP SETTING OFF * TRAP SETTING OF AUTHENTICATION ERROR OFF * TRAP ADDRESS & PORT TRAP 1 ADDRESS 0 0 0 Port TRAP 2 ADDRESS 0 0 0 Port TRAP 3 ADDRESS 0 0 0 Port TRAP 4 ADDRESS 0 0 0 Port TEST Power On / Off Status: Power On Apply

SNMP SETTING

Set whether to enable or disable SNMP.

COMMUNITY NAME 1 to 3

Set the name of the community required for the access.

TRAP SETTING

Set whether to enable or disable the trap function. When this function is enabled, a trap will be sent when the monitor is turned on.

TRAP SETTING OF AUTHENTICATION ERROR

Set whether the trap function sends a notification when authentication fails.

TRAP ADDRESS & PORT

Set the destination address and port number of the notification sent by the trap function.

TIPS

• After you have changed the settings, click [Apply].

"Advanced operation"

Command-based control

You can control the monitor using RS-232C commands (see page 34) via terminal software and other appropriate applications.

In order to use this function, enable a connection to the monitor through Internet Explorer.

Read the manual for the terminal software for detailed instructions.

(1) Connect the PC to the monitor.

  1. Specify the IP address and data port number and connect the PC to the monitor. When connection has been established successfully, [☐ Login:] is returned as response.

  2. Send the user name set in the SECURITY settings (see page 43).

  3. Send [User name] + [☐].

  4. If the user name is not set, send [☐].
  5. When the transmission is successful, [☐Password:] is returned as response.

  6. Send the password set in the SECURITY settings (see page 43).

  7. Send [Password] + [☐].

  8. If the password is not set, send [☐].
  9. When the transmission is successful, [OK □] is returned as response.

(2) Send commands to control the monitor.

  • The commands used are the same as those for RS-232C. Refer to the communication procedure (see page 30) for operation.
  • Usable commands are provided in the RS-232C command table (see page 34).

(3) Disconnect the connection with the monitor and quit the function.

  1. Send [BYE□]. When the transmission is successful, [goodbye] is returned and the connection is disconnected.

TIPS

- Connection is automatically disconnected when the time specified in AUTO LOGOUT TIME elapses over a no-communication period.

Troubleshooting

If you are experiencing any problem with your display, before calling for service, please review the following troubleshooting tips.

There is no picture or sound.

• Is the power cord disconnected? (See page 13.)
• Is the main power switch off? (See page 16.)
- Is the monitor in standby mode (the power LED illuminating in orange)? (See page 16.)
• Make sure correct input mode is selected. (See page 18.)
- If any external equipment is connected, make sure the equipment is operating (playing back).

Remote control does not work.

  • Are the batteries inserted with polarity (+,-) aligned? (See page 15.)
    • Are the batteries exhausted?
  • Point the remote control unit toward the monitor's remote control sensor. (See page 15.)
  • Is the menu display hidden or is operation disabled? (See page 29.)

Sound from left and right speakers is reversed.

Sound is heard from only one side.

• Are audio cables connected properly?
- Check the setting of BALANCE for AUDIO menu. (See page 23.)

There is a picture but no sound.

• Is the sound muted?
• Make sure the volume is not set to minimum.
- Are audio cables connected properly?
- Is the setting of AUDIO SELECT on the SETUP menu correct? (See page 23.)

Unstable video.

• The signal may be incompatible.
- Try the automatic screen adjustment when the D-SUB is used.

The video from the HDMI input terminal does not appear properly.

  • Is the HDMI cable HDMI standard compliant? The monitor will not work with cables that are not standard compliant.
  • Is the input signal compatible with this monitor? (See page 51.)

The video from the DVI-D input terminal does not appear properly.

  • Is the input signal compatible with this monitor? (See page 51.)
  • Turn off the power to the connected equipment and then turn the power on again.
  • If the monitors are connected in a daisy chain, turn off the power to all the monitors connected in a daisy chain and then turn the power on again.

The video from D-Sub input terminal does not appear properly.

- Is the input signal compatible with this monitor? (See page 51.)

The video from the DisplayPort does not appear properly.

- Is the input signal compatible with this monitor? (See page 51.)

The video from component input terminals does not appear properly.

• Is the video cable (Y/Cb/Cr) connected correctly?
• Is the input mode set to COMPONENT?
The video will not appear correctly if the input mode is set to VIDEO.

The video from video input terminal does not appear properly.

- Is the input mode set to VIDEO? The video will not appear correctly if the input mode is set to COMPONENT.

Control buttons do not work.

There is no picture.

- Load noises from outside may be interfering with normal operation. Turn off the power and turn it on after waiting at least 5 seconds, and then check the operation.

The monitor makes a cracking sound.

- You may occasionally hear a cracking sound from the monitor. This happens when the cabinet slightly expands and contracts according to change in temperature. This does not affect the monitor's performance.

Troubleshooting

The Power LED is flashing in red and green alternately.

  • When the internal temperature of the monitor rises excessively, the brightness of the backlight decreases automatically in order to prevent high-temperature-related problems. When this occurs, the Power LED flashes red and green alternately.
  • If the internal temperature rises further, the monitor automatically enters standby mode. (The Power LED continues flashing red and green alternately.)
  • Remove the cause of the excessive temperature rise.
  • If the monitor enters standby mode due to a rise in temperature, to return to normal display, turn the power switch off and then back on again. The monitor, however, will enter standby mode again if the cause of the temperature rise is not eliminated. (See page 7.)
  • Check whether the monitor is placed at a location where a quick rise in temperature is likely. Internal temperature rises quickly if the vents on the monitor are blocked.
  • Internal temperature rises quickly if dust accumulates inside the monitor or around the vents. Remove dust if possible. Ask SHARP dealer about removing internal dust.

Specifications

■Product Specifications

ModelPN-U553PN-U473PN-U423
LCD component55" Class [54-5/8 inch (138.8cm) diagonal] TFT LCD47" Class [46-15/16 inch (119.3cm) diagonal] TFT LCD42" Class [42 inch (106.7cm) diagonal] TFT LCD
Max. resolution (pixels)1920 x 1080
Max. colorsApprox. 1.06 billion colors
Pixel pitch0.630 mm (H) × 0.630 mm (V)0.542 mm (H) × 0.542 mm (V)0.485 mm (H) × 0.485 mm (V)
Viewing angle178° right/left/up/down (contrast ratio ≥ 10)
Screen active area inch (mm)47-5/8 (W) x 26-13/16 (H) (1209.6 x 680.4)40-15/16 (W) x 23 (H) (1039.7 x 584.8)36-5/8 (W) x 20-5/8 (H) (930.2 x 523.3)
Computer input signalDigital (DVI 1.0 standard-compliant), Analog RGB (0.7 Vp-p) [75 Ω], DisplayPort 1.1
Sync signalHorizontal/vertical separate (TTL: positive/negative)
Video color systemNTSC (3.58MHz)/NTSC (4.43MHz)/PAL/PAL-60/SECAM
Plug and playVESA DDC2B
Power managementVESA DPMS, DVI DMPM
Input terminalsPC/AVHDMI x 1
PCMini D-sub 15 pin, 3 rows x 1DisplayPort x 1DVI-D 24 pin (HDCP compatible) x 1
AVComponent: BNC (Y, Cb/Pb, Cr/Pr) x 1*1Composite video: BNC x 1*1
Audio3.5 mm mini stereo jack x 1RCA pin (L/R) x 1
Serial (RS-232C)D-sub 9 pin x 1
Output terminalsPCDVI-D 24 pin (HDCP compatible) x 1
AudioRCA pin (L/R) x 1
Serial (RS-232C)D-sub 9 pin x 1
LAN terminal10 BASE-T/100 BASE-TX
Speaker output10 W + 10 W
Power requirementAC 100 - 240 V, 1.5 A, 50/60 HzAC 100 - 240 V, 1.5 A, 50/60 HzAC 100 - 240 V, 1.3 A, 50/60 Hz
Operating temperature *241°F to 104°F (5°C to 40°C) *332°F to 104°F (0°C to 40°C)
Operating humidity20% to 80% (no condensation)
Power consumption (Input signal waiting mode / standby mode *)4130 W (4.5 W / 4.5 W)130 W (4.5 W / 4.5 W)115 W (4.5 W / 4.5 W)
Dimensions (excluding protrusions) inch (mm)Approx. 49-3/16 (W) x 2-1/4 (D) x 28-3/8 (H) (1250 x 57 x 721)Approx. 42-5/8 (W) x 2-3/16 (D) x 24-11/16 (H) (1083 x 55 x 627)Approx. 38-5/16 (W) x 2-1/4 (D) x 22-1/4 (H) (973 x 57 x 565)
Weight lbs. (kg)Approx. 55.2 (25)Approx. 41.9 (19)Approx. 35.3 (16)

*1 Cannot be used simultaneously.

*2 Temperature condition may change when using the monitor together with the optional equipments recommended by SHARP. In such cases, please check the temperature condition specified by the optional equipments.

*3 Use of the monitors in temperatures below 50°F (10°C) might result in inconsistent image quality that, depending on the viewing angle, might be noticeable along the edges of the screen. Please note that this is not a malfunction and does not affect monitor operation.

*4 When STANDBY MODE is set to STANDARD. When STANDBY MODE is set to LOW POWER: 0.5 W

As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units. There may be some deviations from these values in individual units.

■Dimensional Drawings

Note that the values shown are approximate values.

[PN-U553]
SHARP PN-U423 - ■Dimensional Drawings - 1

text_image 1 [26] 49-3/16 [1250] Opening width (47-11/16 [1212]) Opening height (26-7/8 [683]) 2-1/4 [57] 28-3/8 [721]

SHARP PN-U423 - ■Dimensional Drawings - 2

text_image VESA holes * 7-7/8 [200] 7-7/8 [200] Unit: inch [mm] 7-7/8 [200]

[PN-U473]
SHARP PN-U423 - ■Dimensional Drawings - 3

text_image 1-1/16 [27] 2-3/16 [55] 42-5/8 [1083] Opening width (41-1/8 [1044]) Opening height (23-1/8 [588]) 24-11/16 [627]

SHARP PN-U423 - ■Dimensional Drawings - 4

text_image VESA holes * 7-7/8 [200] 7-7/8 [200] Unit: inch [mm] 7-7/8 [200]

[PN-U423]
SHARP PN-U423 - ■Dimensional Drawings - 5

text_image 1-1/16 [27] 2-1/4 [57] 38-5/16 [973] Opening width (36-3/4 [934]) Opening height (20-3/4 [527]) 22-1/4 [565]

SHARP PN-U423 - ■Dimensional Drawings - 6

text_image VESA holes * 7-7/8 [200] 7-7/8 [200] 7-7/8 [200] Unit: inch [ ]

When mounting the monitor, be sure to use a wall-mount bracket that complies with the VESA-compatible mounting method. SHARP recommends using M6 screws and tighten the screws.

Note that screw hole depth of the monitor is 3/8 inch (10 mm). Loose mounting may cause the product to fall, resulting in serious personal injuries as well as damage to the product. The screw and hole should come together with over 5/16 inch (8 mm) length of thread. Use a bracket which has been approved for UL1678 standard, and which can endure at least 4 times or more the weight of the monitor.

■Power management

This monitor conforms to VESA DPMS and DVI DMPM. Both your video card and computer must support the same standard in order for the monitor's power management function to work.

DPMS: Display Power Management Signaling

DPMSScreenPower consumption*HsyncVsync
ON STATEDisplay130 W130 W115 WYesYes
STANDBYNo display4.5 WNoYes
SUSPEND4.5 WYesNo
OFF STATE4.5 WNoNo

DMPM: Digital Monitor Power Management

DMPMScreenPower consumption*
Monitor ONDisplay130 W130 W115 W
Active OFFNo display4.5 W4.5 W4.5 W

* Values of the PN-U553, PN-U473, and PN-U423 in that order from the top.

■DDC (plug and play)

The monitor supports the VESA DDC (Display Data Channel) standard.

DDC is a signal standard for plug and play between monitors and computers. Information about resolution and other parameters is exchanged between the two. This function can be used if the computer supports DDC and it has been configured to detect plug-and-play monitors.

There are several types of DDC, depending on the communication method used. This monitor supports DDC2B.

■Compatible signal timing (PC)

Screen resolutionHsyncVsyncDot frequencyDigitalAnalog (D-SUB)
DVI-DHDMIDisplayPort
VESA640 × 48031.5kHz60Hz25.175MHzYesYesYesYes
37.9kHz72Hz31.5MHzYesYesYesYes
37.5kHz75Hz31.5MHzYesYesYesYes
800 × 60035.1kHz56Hz36.0MHz---Yes
37.9kHz60Hz40.0MHzYesYesYesYes
48.1kHz72Hz50.0MHzYesYesYesYes
46.9kHz75Hz49.5MHzYesYesYesYes
848 × 48031.0kHz60Hz33.75MHzYes--Yes
1024 × 76848.4kHz60Hz65.0MHzYesYesYesYes
56.5kHz70Hz75.0MHzYesYesYesYes
60.0kHz75Hz78.75MHzYesYesYesYes
1152 × 86467.5kHz75Hz108.0MHzYesYesYesYes
1280 × 76847.8kHz60Hz79.5MHzYes-YesYes
60.3kHz75Hz102.25MHzYes-YesYes
1280 × 80049.7kHz60Hz83.5MHzYesYesYesYes
1280 × 96060.0kHz60Hz108.0MHzYesYesYesYes
1280 × 102464.0kHz60Hz108.0MHzYesYesYesYes
80.0kHz75Hz135.0MHzYesYesYesYes
1360 × 76847.7kHz60Hz85.5MHzYesYesYesYes
1400 × 105065.3kHz60Hz121.75MHzYesYesYesYes
1440 × 90055.9kHz60Hz106.5MHzYesYesYesYes
1600 × 1200*75.0kHz60Hz162.0MHzYesYesYesYes
1680 × 105065.3kHz60Hz146.25MHzYesYesYesYes
1920 × 1200*74.0kHz60Hz154.0MHzYesYesYesYes
Wide1280 × 72044.7kHz60Hz74.4MHzYesYesYesYes
1920 × 108066.3kHz60Hz148.5MHzYesYesYesYes
67.5kHz60Hz148.5MHzYesYesYesYes
US TEXT720 × 40031.5kHz70Hz28.3MHzYesYesYesYes
Sun1024 × 76848.3kHz60Hz64.13MHz---Yes
53.6kHz66Hz70.4MHz---Yes
56.6kHz70Hz74.25MHz---Yes
1152 × 90061.8kHz66Hz94.88MHz---Yes
71.8kHz76.2Hz108.23MHz---Yes
1280 × 102471.7kHz67.2Hz117.01MHz---Yes
81.1kHz76Hz134.99MHz---Yes
1600 × 100068.6kHz66Hz135.76MHz---Yes

* Displays a reduced image, except in Dot by Dot. In Dot by Dot, the image will be cut down to panel size then displayed.

• All are compliant only with non-interlaced.

- Depending on the connected PC, images may not be displayed properly even if the compatible signal described above is input.

• The frequency values for the Sun are reference values.

■Compatible signal timing (AV)

Screen resolutionFrequencyHDMIComponent
1920 × 1080p24HzYes-
50HzYesYes
59.94HzYesYes
60HzYesYes
1920 × 1080i50HzYesYes
59.94HzYesYes
60HzYesYes
1280 × 720p50HzYesYes
59.94HzYesYes
60HzYesYes
720 × 576p50HzYesYes
720 × 480p59.94HzYesYes
60HzYesYes
640 × 480p(VGA)59.94HzYes-
60HzYes-
720(1440) × 576i50HzYesYes
720(1440) × 480i59.94HzYesYes
60HzYesYes

■DVI-D input terminal pins

(DVI-D 24 pin)

SHARP PN-U423 - ■DVI-D input terminal pins - 1

No.FunctionNo.Function
1TMDS data 2-13N.C.
2TMDS data 2+14+5V
3TMDS data 2/4 shield15GND
4N.C.16Hot-plug detection
5N.C.17TMDS data 0-
6DDC clock18TMDS data 0+
7DDC data19TMDS data 0/5 shield
8N.C.20N.C.
9TMDS data 1-21N.C.
10TMDS data 1+22TMDS clock shield
11TMDS data 1/3 shield23TMDS clock+
12N.C.24TMDS clock-

■HDMI input terminal pins

(HDMI™ Connector)

SHARP PN-U423 - ■HDMI input terminal pins - 1

No.FunctionNo.Function
1TMDS data 2+11TMDS clock shield
2TMDS data 2 shield12TMDS clock-
3TMDS data 2-13CEC
4TMDS data 1+14N.C.
5TMDS data 1 shield15SCL
6TMDS data 1-16SDA
7TMDS data 0+17GND
8TMDS data 0 shield18+5V
9TMDS data 0-19Hot-plug detection
10TMDS clock+

■D-sub input terminal pins

(Mini D-sub 15 pin)

SHARP PN-U423 - ■D-sub input terminal pins - 1

No.FunctionNo.Function
1Red video signal input9+5V
2Green video signal input10GND
3Blue video signal input11N.C.
4N.C.12DDC data
5N.C.13Hsync signal input
6GND for red video signal14Vsync signal input
7GND for green video signal15DDC clock
8GND for blue video signal

■RS-232C input terminal pins

(D-sub 9 pin)

SHARP PN-U423 - ■RS-232C input terminal pins - 1

No.FunctionNo.Function
1N.C.6N.C.
2Transmitted data7N.C.
3Received data8N.C.
4N.C.9N.C.
5GND

■DisplayPort input terminal pins

(DisplayPort 20 pin)

SHARP PN-U423 - ■DisplayPort input terminal pins - 1

No.FunctionNo.Function
1MainLane 3-11Gnd
2Gnd12MainLane 0+
3MainLane 3+13Gnd
4MainLane 2-14Gnd
5Gnd15Aux +
6MainLane 2+16Gnd
7MainLane 1-17Aux -
8Gnd18Hot-plug detection
9MainLane 1+19Gnd
10MainLane 0-203.3V

■DVI-D output terminal pins

(DVI-D 24 pin)

SHARP PN-U423 - ■DVI-D output terminal pins - 1

No.FunctionNo.Function
1TMDS data 2-13N.C.
2TMDS data 2+14+5V
3TMDS data 2/4 shield15GND
4N.C.16Hot-plug detection
5N.C.17TMDS data 0-
6DDC clock18TMDS data 0+
7DDC data19TMDS data 0/5 shield
8N.C.20N.C.
9TMDS data 1-21N.C.
10TMDS data 1+22TMDS clock shield
11TMDS data 1/3 shield23TMDS clock+
12N.C.24TMDS clock-

■RS-232C output terminal pins

(D-sub 9 pin)

SHARP PN-U423 - ■RS-232C output terminal pins - 1

No.FunctionNo.Function
1N.C.6N.C.
2Received data7N.C.
3Transmitted data8N.C.
4N.C.9N.C.
5GND

Mounting Precautions (For SHARP dealers and service engineers)

  • When installing, removing or moving the monitor, ensure that this is carried out by at least 2 people.
  • Be sure to use a wall-mount bracket designed or designated for mounting the monitor.
  • This monitor is designed to be installed on a concrete wall or pillar. Reinforced work might be necessary for some materials such as plaster / thin plastic board / wood before starting installation.
  • This monitor and bracket must be installed on a wall which can endure at least 4 times or more the weight of the monitor. Install by the most suitable method for the material and the structure.
  • To attach a VESA-compliant mounting bracket, use M6 screws that are 5/16 inch (8 mm) to 3/8 inch (10 mm) longer than the thickness of the mounting bracket.
  • Do not use an impact driver.
  • When moving the monitor, hold the parts marked by ____ below. Do not hold the LCD panel. This may cause product damage, failure, or injury.

SHARP PN-U423 - Mounting Precautions (For SHARP dealers and service engineers) - 1

natural_image Top-down architectural floor plan of a room with furniture layout (no text or labels)

• After mounting, please carefully ensure the monitor is secure, and not able to come loose from the wall or mount.
- Do not use any screw holes other than VESA holes for installation.

SHARP®

SHARP CORPORATION

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Marka : SHARP

Model : PN-U423

Kategorija : Televizor