MP8740 - Video projector 3M - Free user manual and instructions

Product Type	Multimedia Projector
Model	MP8740
Display System	3-beam poly-silicon LCD
Panel Size	1.3 inches per panel (33 mm)
Native Resolution	XGA (1024 x 768) per panel, 2.36 million total pixels
Lens	F/2.3 - F/3.0, focal length 48.1 - 72.1 mm
Lamp	Metal halide 260 W
Speaker Output	2 x 2W stereo
Power Supply	AC 100-120V / 220-240V (universal)
Power Consumption	370 W
Dimensions (W x H x D)	404 x 154 x 305 mm (15.9 x 6.1 x 12.0 in)
Weight	8.4 kg (18.6 lbs)
Operating Temperature	32°F - 95°F (0°C - 35°C)
Video Inputs	S-Video (Mini DIN4), composite (RCA), Audio L/R (RCA)
RGB Inputs	2 x D-sub 15-pin (RGB1, RGB2)
Outputs	RGB (D-sub 15-pin), Audio (stereo mini jack)
Control Interfaces	RS-232, PS/2, ADB, Serial mouse, Remote control (IR)
Special Features	Power zoom/focus, fixed keystone correction, image mirroring, 7-language OSD, laser pointer remote, Kensington lock
Warranty	2 years parts and labor
Accessories Included	Remote control with batteries, power cord, VGA cable, video/audio cable, S-Video cable, mouse cables (PS/2, ADB, Serial), stereo mini jack
Maintenance	Clean air filter every 50 hours; lamp replacement after approx. 2000 hours

Frequently Asked Questions - MP8740 3M

How do I turn on the 3M MP8740 projector?

First, ensure all connections are made and the main power switch is turned on. Move the lens shutter to the open position. Press the STANDBY/ON button on the projector or remote. The ON indicator will blink green during warm-up and then remain green. Adjust zoom and focus as needed.

Why is there no picture and sound?

Possible causes: incorrect input source selection, wrong cable connections, or the brightness is set too low. Use the INPUT button to select the correct source (e.g., RGB1, Video1). Ensure cables are connected to the correct terminals. If picture is still missing, press MENU and increase brightness.

How do I clean the air filter?

Turn off the projector and unplug it. Let it cool for at least 20 minutes. Remove the air filter door from the bottom by unscrewing two screws and pulling the handle. Carefully remove the foam filter and clean both the foam and metal screen with a vacuum cleaner. Reinstall the filter and door. It is recommended to clean every 50 hours.

How do I replace the projector lamp?

Warning: Allow the projector to cool for at least 30 minutes. Unplug the power cord. Remove the lamp access door on the bottom (right side). Unscrew the three lamp module retaining screws (they are self-retaining). Grasp the lamp module and slide it straight out. Insert the new lamp module until fully seated, tighten the screws, and close the door. Finally, reset the lamp timer by pressing and holding the TIMER button on the remote for 3 seconds, then press RESET and select '0'.

What does a red LAMP indicator mean?

The LAMP indicator lights red when the lamp cannot ignite. Turn the projector off, let it cool for 20 minutes, and then restart. If the indicator remains red, contact your dealer for service.

How do I adjust the focus?

Press the FOCUS button on the projector or remote. An on-screen display will appear. Use the directional arrows (▲▼ or disc pad) to adjust focus until the image is sharp. The projector also has a power zoom function using the ZOOM button.

Can I mount this projector on the ceiling?

Yes, an optional ceiling mount kit (part number 78-6969-8357-2) and adjustable height suspension are available. Refer to the manual for proper installation. Ensure the projector is securely fastened and ventilation is not obstructed.

How do I reset the lamp timer?

While the projector is running, press and hold the TIMER button on the remote control for 3 seconds to display the lamp operating time. Then press the RESET button on the projector or remote and select '0' (or CANCEL) to reset the timer. This clears the 'CHANGE THE LAMP' message.

What should I do if the projector overheats?

The TEMP indicator will light red if the internal temperature is too high. Turn off the projector and let it cool for 20 minutes. Check that ventilation openings are not blocked, and clean the air filter if dusty. If the TEMP indicator blinks red, the cooling fan may be obstructed; contact your dealer.

How do I connect my laptop to the projector?

Connect your laptop's video output to one of the RGB input ports (D-sub 15-pin) using a VGA cable. For mouse control, use the appropriate mouse cable (PS/2, Serial, or ADB) to connect the projector's control terminal to your laptop. Set the computer's mouse driver to 'Standard Serial Mouse' or 'Standard PS/2 Mouse'. Turn on the projector first, then the laptop.

USER MANUAL MP8740 3M

Line drawing of a 3M MP8740 projector with control panel and display screen (no text or symbols on body)

Safeguards 1

Warranty 2

Section 1: Unpack ....3

1.1 Contents of Shipping Box 3
1.2 Optional Accessories 3
1.3 Keep Your Packing Materials .... 3
1.4 What's Next? 3

Section 2: Product Description ....4

2.1 Machine Characteristics 4
2.2 Part Identification List 4
2.3 System Setup.... 5
2.4 Remote Control Transmitter Identification 6

Section 3: Basic Operations....7

3.1 Projector Startup 7
3.2 Projector Shutdown 7

Section 4: Adjustments and Functions......8

4.1 Menu Navigation 8
4.2 How To Use Height Adjustment Feet 9
4.3 SETUP 10
4.4 INPUT 11
4.5 IMAGE 12
4.6 OPT 13

Section 5: Maintenance....14

5.1 Cleaning the Air Filter 14

Section 6: Lamp....15

6.1 Lamp 15
6.2 Display Lamp Operation Hours.... 15
6.3 Replacing the Lamp 15

Section 7: Troubleshooting ....17

7.1 Sympton/Solution Table 17
7.2 Message/Solution Table 17

Section 8: Accessories .... 18

8.1 Service Information 18

Appendix: Technical Information......A.1

INTENDED USE

Before operating the machine, please read the entire manual thoroughly. The 3M ^™ Multimedia Projector 8740 was designed, built and tested for use indoors, using 3M ^™ brand lamps and nominal local voltages. The use of other replacement lamps, outdoor operation or different voltages has not been tested and could damage the projector or peripheral equipment and/or create a potentially unsafe operating condition.

IMPORTANT SAFEGUARDS

1. Read and understand all instructions before using.

Pay particular attention to areas where this ⚠ symbol is shown.

WARNING - Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.

Caution - Indicates a potentially hazardous situation which, if not avoided, could result in minor or moderate injury. It may also be used to alert against unsafe practices.

1. Close supervision is necessary when any appliance is used by or near children. Do not leave appliance unattended while in use.

2. Never look directly into the projector lens when the lamp is on. The metal halide lamp produces a strong light which could damage your eyesight.

3. Care must be taken as burns can occur from touching hot parts.

4. Do not operate appliance with a damaged cord or if the appliance has been dropped or damaged – until it has been examined by a qualified service technician.

5. Position the cord so that it will not be tripped over, pulled, or contact hot surfaces.

6. If any extension cord is necessary, a cord with a current rating at least equal to that of the appliance should be used. Cords rated for less amperage than the appliance may overheat.

7. Always unplug appliance from electrical outlet before cleaning and servicing and when not in use. Grasp plug and pull to disconnect.

8. To reduce the risk of electric shock, do not immerse this appliance in water or other liquids.

9. To reduce the risk of electric shock, do not disassemble this appliance, but take it to a qualified technician when service or repair work is required. Incorrect assembly can cause electric shock when the appliance is subsequently used.

10. Connect this appliance to a grounded outlet.

11. Do not expose this projector to direct sunlight, or use it outside.

12. Keep all ventilation openings free of any obstructions.

13. Always open the lens shutter when the projection lamp is on.

14. Do not look directly into light beam of laser pointer. The pointer produces a strong light which could damage your eyesight.

15. The projection lamp contains mercury. Always dispose of it in a proper manner according to local regulations.

SAVE THESE INSTRUCTIONS

The information contained in this manual will help you operate and maintain your 3M MP8740 Multimedia Projector.

THANK YOU FOR CHOOSING 3M

Thank you for choosing 3M Multimedia Projector equipment. This product has been produced in accordance with 3M's highest quality and safety standards to ensure smooth and trouble free use in the years to come.

For optimum performance, please follow the operating instructions carefully. We hope you will enjoy using this high performance product in your meetings, presentations and training sessions.

LIMITED WARRANTY

3M warrants this product against any defects in material and workmanship, under normal usage and storage, for a period of two years from date of purchase. Proof of purchase date will be required with any warranty claim. In the event this product is found to be defective within the warranty period, 3M's only obligation and your exclusive remedy shall be replacement of any defective parts (labor included).

To obtain warranty service, immediately notify the dealer from which you purchased the product of any defects. In the USA call 1-800-328-1371 for warranty or repair service.

LIMITATION OF LIABILITY

THE FOREGOING WARRANTY IS MADE IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, AND 3M SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS. 3M SHALL NOT BE LIABLE FOR ANY DAMAGES, DIRECT, CONSEQUENTIAL, OR INCIDENTAL, ARISING OUT OF THE USE OR INABILITY TO USE THIS PRODUCT.

Important: The above warranty shall be void if the customer fails to operate product in accordance with 3M's written instructions. This warranty gives you specific legal rights and you may have other rights which vary from state to state.

FCC STATEMENT - CLASS A: This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instruction manual may cause interference to radio communications. It has been tested and found to comply with the limits for a Class "A" computing device pursuant to Subpart B of Part 15 of the FCC Rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment. Operation of this equipment in a residential area is likely to cause interference in which case the user at his/her own expense will be required to take whatever measures may be required to correct the interference.

EEC STATEMENT: This machine was tested against the 89/336/EEC (European Economic Community) for EMC (Electro Magnetic Compatibility) and fulfills these requirements.

Video signal cables: Double shielded coaxial cables (FCC shield cable) must be used and the outer shield must be connected to the ground. If normal coaxial cables are used, the cable must be enclosed in metal pipes or in a similar way to reduce the interference noise radiation.

Video inputs: The input signal amplitude must not exceed the specified level.

IBM is a registered trademark of International Business Machines Corporation. Apple Macintosh and Apple Powerbook are registered trademarks of Apple® Computer, Inc. Microsoft and Windows 95 are registered trademarks, and Windows and Windows for Work Groups are trademarks of the Microsoft Corporation. Toshiba is a registered trademark of Toshiba Corporation. Kensington is a trademark of Kensington Corporation. All other products are trademarks or registered trademarks of their respective companies.

1.1 Contents of Shipping Box

The 3M ^™ MP8740 Multimedia Projector is shipped with the necessary cables required for standard VCR, PC, MAC ^™ II or laptop computer connections. Carefully unpack and verify that you have all of the items shown below in Figure 1.1.

Line drawing of a 3M projector with no visible text or symbols

MP8740 Multimedia Projector

Remote Control Transmitter (batteries included)

Power Cord 110V - US 220 - UK, Europe

3-Conductor Video/Audio Cable

VGA Cable (15-15 pin M/M)

Adapter with dip switch

Video Cable (S-Video mini DIN4-pin)
Figure 1.1 Inventory of Shipping Box

The shipping carton contains the items illustrated in Figure 1.1. In addition, the following items are also included, but not shown here. If any of these items are missing, please contact your place of purchase.

• PS/2 mouse cable ...... (1)
• ADB mouse cable ...... (1)
• Serial mouse cable ...... (1)
• Stereo mini-jack ...... (1)

1.2 Optional Accessories

• RS-232 control cable ..... (1)

1.3 Keep Your Packaging Materials

√ Important

Save the shipping box and packing materials in the event the MP8740 should require shipping to a 3M Service Center for repair.

1.4 What Next?

After you have unpacked the MP8740 system and identified all the parts, you are ready to set up the projector.

2.1 Machine Characteristics

The MP8740 Multimedia Projector integrates metal halide lamp and polysilicon LCD display technology into a single unit. It accepts input from two different computer sources and two video/audio sources and projects a bright, super crisp image. Switching your presentation from a computer input to a video input, and then back to a computer input simply requires the push of a button on the remote control keypad or control panel keypad.

The MP8740 Multimedia Projector offers the following features:

• Metal halide projection lamp
• XGA resolution (3 separate 1024 x 768 LCD panels are used for the R, G and B signals)
- Advanced SXGA scaling (60 Hz and 75 Hz)
- Advanced VGA and SVGA scaling
- Compact size, light weight for portability - RGB (computer video) output terminal
- Serial, PS/2 and Apple© Desktop Bus (ADB) mouse emulation
• Power zoom and power focus functions
- Easy to set up and use
- Ability to display 16.7 million colors
- Two computer input connections
- Two video input connections (composite and S-video compatible)

• Full function remote control
- Two built-in stereo speakers (2 watts each)
• Horizontal and vertical image inverting function
• Horizontal and vertical image position control
• Fixed keystone correction
- On screen menu with seven languages
• Universal power supply
- IR sensor in front and rear for maximum remote control range
• RS-232 control capability
- Optional ceiling mount kit
- Laser pointer (remote control)
• Color balance control for data/video
- Kensington™ lock

√ Note

The MP8740 is one of the brightest projectors in the marketplace. The brightness of your machine will vary depending on the ambient room conditions and contrast/brightness settings.

2.2 Part Identification List

Figure 2.1 Identifying MP8740 Parts

1. Remote control transmitter
2. Stereo speakers
3. Control Panel Keypad
   a) STAND BY/ON button
   b) ON, LAMP, TEMP, Indicator
   c) INPUT, MUTE, RESET buttons
   d) ZOOM, FOCUS, MENU buttons
4. Remote Control Sensors (front/back)
5. Terminal Connection Panel
   a) S-Video, Vidoe, Audio inputs
   b) RGB1 and RGB2 inputs

c) RGB output
d) Audio L/R input, Audio output (stereo mini jack)
e) RS-232 Control
f) AC input-power cord connection
g) Main power switch
h) Kensington™ lock

1. Height Adjustment Feet

2. Lens shutter (open/closed)

3. Projection lens

4. Cooling fan exhaust

5. Carry handle

2.3 System Set Up - connecting various equipment

graph TD
    A["Laser Disc"] --> B["WHT RED"]
    B --> C["OUT OUT OUT"]
    C --> D["Audio Right"]
    D --> E["Audio Left"]
    E --> F["S-VHS"]
    F --> G["IN IN IN"]
    G --> H["MP8740"]
    H --> I["MAC or PC"]
    I --> J["OUT"]
    J --> K["Laptop"]
    L["VCR"] --> M["OUT OUT OUT"]
    M --> N["Audio L/R Video"]
    N --> O["IN IN IN"]
    O --> P["Power"]
    P --> Q["MAC or PC"]
    Q --> R["PC"]
    S["CRT Display"] --> T["MAC or PC"]
    U["MONITOR PORT"] --> V["MONITOR PORT"]
    W["PS/2 or SERIAL PORT"] --> X["MONITOR PORT"]
    Y["POWER"] --> Z["MAC or PC"]

Figure 2.2 Cable Connections

Caution

Turn power off to all devices before making connections. Never plug anything into the projector or computer while any device is in operation.The MP8730 must be powered down when making connections. The mouse emulation may not work if the unit is not powered down before the mouse cable connections are made.

2.3.1 Apple™ Desktop Mouse - The Macintosh operating system should recognize the MP8740 as a mouse without any drivers being loaded.

VirtualMouse for PC Computer - For IBM™ compatible computers, the operating systems will need to be set to "Serial Mouse" or "PS/2 Mouse" to recognize the projector as a mouse pointer device

Change mouse driver information to "Serial Mouse" or "PS/2 Mouse."

a) Windows™ 95 - Click "Start"; select "Settings"; select "Control Panel". Click on "Mouse"; select the "General" tab; (see what driver is currently loaded and make note of it); select "Change"; select "Show all devices"; (make note of the current Manufacturer and Model); select "Standard Mouse Type" for Manufacturer; then select "Standard Serial Mouse" or "Standard PS/2 Mouse." Click OK to change and apply the new driver. Restart Windows when prompted.

b) Windows ™ 3.1 - From "Program Manager" click "Main"; then click "Windows Setup", (make note of what the current mouse driver is); Click "Options"; then "Change Systems Settings". Choose "Mouse". It should be listed as "Microsoft or IBM PS/2".

√ Note

For proper mouse operation, always turn the projector power on first and then power up the computer.

For some laptop computers you may need to disable the internal pointing device (IPD). This is done through the BIOS level set up of the particular machine, or it could be listed in a "Utilities" program group, i.e., "Toshiba Utilities™," or "Thinkpad Features™."

2.4 Remote Control Transmitter Identification

Figure 2.3 Remote Control Buttons

3.1 Projector Startup

Figure 3.1 Projector Controls

1. Make all cable connections and line hookups with the power off.
2. Turn the POWER SWITCH 1/O of the projector on. The ON indicator will light up orange.
3. Move the LENS SHUTTER CONTROL to the open position.
4. Press the STANDBY/ON button Ⓞ. The ON indicator blinks (green) and then lights (green). The ON indicator will blink green during warm-up and lamp ignition.
5. Adjust the screen size using the ZOOM button
6. Adjust the focus using the FOCUS button

A) Press the FOCUS button. The on-screen display shown on the right appears. B) Adjust the focus so that the picture is sharp using the FOCUS button.

1. Turn on all connected equipment. The method of connecting various equipment, see section 2.3.

2. Press the INPUT button ☐ on the projector or the INPUT SELECT (VIDEO or RGB) button on the remote to select the source of the signal to be projected on the screen. The selected signal input is displayed at the bottom right of the screen. The display will show the last selected input source before power was turned off.

3.2 Projector Shutdown

1. Hold the STANDBY/ON button ⏻ for 3-5 seconds. The ON indicator blinks orange and the lamp turns off. After approximately 1 minute, the fan stops and the indicator stays orange.
2. Turn the MAIN POWER SWITCH 1/0 of the projector off.

Caution

Do not turn off the POWER SWITCH before pressing the STANDBY/ON button. After the STANDBY/ON button is pressed, the fan rotates for about 1 minute to cool the projector.

1. Close the LENS SHUTTER Push up on the lens cover switch to close.

2. Disconnect cables.

4.1 Menu Navigation

Figure 4.1 Menu Button

1. Press the MENU button on projector or remote control MENU button.

On-screen menus are displayed on the screen.

1. Select the menu to be adjusted using the MENU ( ◀ ▶ ) buttons or DISC PAD.

Selected Menu is highlighted.

1. Select the item to be adjusted using the MENU ( ▲ ▼ ◀ ▶ ) buttons or DISC PAD.

Highlighted items may be adjusted.

√ Note

Separate settings are provided for the VIDEO1, VIDEO2, RGB1 and RGB2 input terminals. Adjustments are saved after power off.

Factory Default Setting:

1. Highlight SETUP option.

2. To reset the entire SETUP menu

- Press the RESET button.

- Select DEFAULT or CANCEL.

1. To reset a single item from SETUP menu

- Select the adjustment item (brightness, contrast...)

- Press the RESET button. Only the selected item resets.

Figure 4.2 Default Settings

4.2 How To Use Height Adjustment Feet

Adjust the image elevation using the height adjustment at the front of the projector.

1. Move the lock lever to the unlock position.
2. Extend or retract each foot to the desired height.
3. Move the lock lever to the lock position.

4. For fine adjustments, rotate each foot.

5. Raise the front end of the projector so the feet are not touching the table top.

Caution

Do not unlock the foot adjusters if the projector is not supported. If the foot adjusters do not lock completely, turn the foot adjusters slightly before locking.

Front view

Side view

Line drawing of a device front panel with buttons and ports (no readable text or symbols)

Figure 4.3 Height Adjustment

4.3 SETUP

The SETUP sub-menu is used to adjust and move the image position. The projector will display either the RGB (Figure 4.4) or Video (Figure 4.5) menu according to the input source being projected.

RGB signal input Video signal input

Figure 4.4 RGB Signal Figure 4.5 Video Signal

Adjustment Item	Details of adjustment	Default
VOLUME	Decrease Increase→
BRIGHT (BRIGHTNESS)	Dark Bright→
CONTRAST	Lower ←→ Higher
SHARPNESS	Soft ←→ Sharp
COLOR	Less ←→ More
TINT	Red ←→ Green
V.POSIT (V.POSITION)	Moves the picture up or down.	——
H.POSIT (H.POSITION)	Moves the picture left or right.	——
H.PHASE	Decreases the picture flicker	——
H.SIZE	Widens or Narrows the horizontal size of picture	——
COLOR BAL	Red ←→ Blue

√ Note

• TINT cannot be adjusted with a PAL or M-PAL video signal input.
  • TINT, COLOR and SHARPNESS cannot be adjusted with an RGB signal input.
  • V. POSIT, H. POSIT, H. PHASE and H. SIZE cannot be adjusted with a VIDEO signal input.

4.4 INPUT

The menu INPUT sub-menu (Figure 4.6) is used to select the input source. The VIDEO1 and VIDEO2 values (Figure 4.7) have additional values that can be selected.

Figure 4.6 Input Menu Figure 4.7

graph TD
    A["RGB1"] --> B["VIDEO1"]
    C["RGB2"] --> B
    D["VIDEO2"] --> E["VIDEO2"]
    F["TEST"] --> G["PATTERN"]
    H["SYSTEM"] --> I["AUTO"]
    H --> J["NTSC"]
    H --> K["PAL"]
    H --> L["SECAM"]
    H --> M["NTSC 4.43"]
    H --> N["M-PAL"]

Adjustment Area	Value	Value Screen	Value
RGB1	Selects the RGB1 terminal
RGB2	Selects the RGB2 terminal
Video1	Select the VIDEO1 orVIDEO2 terminal	System	Selects the video signal format Auto, NTSC, PAL, SECAM, NTSC 4.43, M-PAL
Video2
Test Pattern	Selects the TEST PATTERN.(Start up Screen)

4.5 IMAGE

The IMAGE sub-menu is used to change the image characteristics.

Figure 4.8 Image Adjustment Screens

Adjustment Screen	Value
MIRROR	Inverts the picture horizontally or vertically.H : INVERT Inverts the picture horizontally.V : INTERT Inverts the picture vertically.H&V: INVERT Inverts the picture horizontally and vertically.
BLANK	Selects the blank color.
REVEAL	Selects reveal speed.
MESSAGE	Turn ON or OFF on-screen messages.

4.6 OPT

The OPT. sub-menu allows you to control communication function.

Figure 4.9 OPT Adjustment Screens

ADJUSTMENT SCREEN	VALUE DEFAULT
COM. SPEED	Selects the data speed of transmission. (For mouse emulation-1200) 1200
COM. BITS 7N1... 7 data-bits, No parity, 1 stop bit. (For mouse emulation-7N1) 7N18N1... 8 data-bits, No parity, 1 stop bit.
TIMER Sets the timer (in minutes). —
LANGUAGE	Selects the language on-screen menu. —(English, French, German, Spanish, Italian, Norwegian, Dutch)
AUTO OFF Selects how long projector will stay on, if no input is detected. —Select 0 to disable this function.
START UP Enable/Disable Startup Screen. TURN ON

5.1 Cleaning the Air Filter

√ Note

Clean the air filter about every 50 hours.

1. Turn off the MAIN POWER switch of the projector and pull out power cord. Let cool for 20 minutes.
2. Remove the air filter from the bottom of projector. Unscrew two retaining screws (1) and pull down and out (2) on the handle to free air cleaner door. Lift air filter door up and out (3) and set it aside.

Figure 5.1 Remove Air Filter

1. Carefully remove foam air filter Screen (4) and clean foam screen and metal screen using a vacuum cleaner.
2. Re-install the air filter and replace the air filter door.

√ Note

If air flow is restricted due to dust accumulation on filter, the projector may shut down due to over heating.

6.1 Lamp

The following symptoms may indicate a lamp in need of replacement:

• LAMP indicator lights up red.
- "CHANGE THE LAMP" message appears on the screen.

6.2 Display Lamp Operation Hours

To determine the lamp operation hours, follow these steps:

1. While the projector is running, press and hold the timer button on the remote control for 3 seconds.
2. The operating time of the lamp will be displayed. If the operating hours are greater than 1,900 the "CHANGE THE LAMP" message will appear. If the hours are greater than 1,980 the following message will appear, "POWER WILL SHUT OFF IN 20 HOURS" The number of hours left until shut down will decrease until 0 hour is reached, then power will be turned off.

√ Note

After 2000 hours, the projector will only run for 10 minute intervals when restarted until the lamp is replaced and the lamp timer is reset. The message "CALL A MAINTENANCE PERSON" will blink at projector start up to remind you to change the lamp.

1. To reset the timer, press the reset button and select 0 (or CANCEL). The "CHANGE THE LAMP" message will not come up if the timer is reset.

6.3 Replacing the Lamp

WARNING

Always turn off and unplug projector when changing lamp.

Lamp and adjacent metal parts become extremely hot and can cause severe burns to your fingers. Allow the projector to cool for at least 30 minutes before replacing the lamp.

1. Remove lamp access door: The lamp access door is located on the bottom of the machine on the right side. Use screwdriver to unscrew the cover retaining screw (1) and gently open the cover and set it aside.

2. Retaining screws: Use a screwdriver to unscrew the lamp module retaining screws. (2)

√ Note

There are three lamp module screws that must be loosened. These screws are self-containing screws that cannot be removed from the lamp module.

Figure 6.1 Lamp Door

1. Remove lamp module: Grasp the lamp module with hand and the projector body with the other hand.

Carefully slide the lamp module out (3) using steady pressure.

1. Insert lamp module: Carefully insert the new lamp module. Ensure that it is fully seated.

Tighten the lamp module retaining screws to secure the lamp module in place.

Insert the hinge tabs on the left side of the lamp access door, then close and tighten the retaining screws to secure the door.

Technical line drawing of a mechanical device with a labeled component (no text or symbols present)

Figure 6.2 Lamp Module

√ Note

Reset the lamp operation hours. See section 6.2 for details.

7.1 Sympton/Solution Table

Symptom	Cause	Solution
Power cannot be turned on.	·The Main power is not turned on.·The power cord is disconnected.	·Turn the MAIN POWER switch on.·Insert the power cord into an AC socket.
No picture and sound	·The setting of the input source is not correct.·RGB/Video/Audio wiring to projector is not correct.	·Set the correct input using the input select button of the projector or the remote control.·Connect the cable to correct input/output source.
Sound is heard with no picture	·RGB/Video wiring to projector is not correct.·The brightness is set fully to dark.	·Connect the cable to correct input/output source.·Press the MENU button and increase BRIGHTNESS.
Picture is displayed with no sound	·Audio wiring to projector is not correct.·The volume is set to minimum.·The unit is muted.	·Connect the cable to correct input/output source.·Press the VOL button and increase VOLUME.·Press the MUTE button.
Color is weak and tint is incorrect	·The color and tint have been adjusted incorrectly.	·Adjust the color and tint correctly.
Picture is dark	·The brightness and contrast has been adjusted incorrectly.·The lamp needs to be replaced.	·Adjust the brightness and contrast correctly.·Replace the lamp with a new one.
Picture is not clear	·Projector is out of focus.	·Adjust the focus.
LAMP indicator lights red.	·Lamp will not ignite.	·Turn off power and let cool for 20 minutes, then restart.·If problem persists call your dealer.
LAMP indicator blinks red.	·Air filter door on bottom of case is open.	·Ensure air filter door is closed.
TEMP indicator lights red.	·Temperature inside projector is too hot.	·Do not block the ventilation holes.·Clean air filter
TEMP indicator blinks red.	·Cooling fan may be obstructed by metal screen under foam air filter.	·Align metal screen.·If fan blade is still obstructed, call service.

7.2 Message/Solution Table

Error Message Displays	Cause	Solution
NO INPUT IS DETECTED	The projector is not detecting a signal.	Check cable connections to input device. Input device not connected to this input mode, switch to next mode.
SYNC IS OUT OF RANGE	The horizontal frequency of input signal exceeds projector capability.	Switch projector to correct resolution.See Appendix A.5
CHANGE THE LAMP	Lamp operation time is greater than 1,900 hours.	Change the projector lamp and reset the lamp operation hours to zero.
RESET THE LAMP TIMER	Lamp operating time is greater than 2000 hours. Safety feature shuts projector down after 10 minutes.	Change the projector lamp and reset the lamp operation hours to zero.
CHECK THE AIR FLOW	Air flow to cooling fan is blocked.	Clear air flow path to fan and clean air filter.

8.1 Service Information

For product information, product assistance, service information, or to order accessories, please call:

In U.S. or Canada: 1-800-328-1371

In other locations, contact your local 3M Sales office.

Accessories	Part Number
Metal halide lamp module, 260 W	78-6969-8782-1
Power cord (US)	26-1011-8852-7
Power cord (UK)	78-8118-3304-1
Power cord (Germany)	78-8118-3303-3
VGA cable	78-8118-3401-5
MAC adapter	78-1011-3308-2
S-video cable	26-1011-3419-0
3-conductor video/audio cable	78-8118-3306-6
Serial mouse cable	78-8118-3426-2
PS/2 mouse cable	78-8118-3424-7
ADB mouse cable	78-8118-3425-4
Stereo mini jack cable	26-1012-0683-2
Remote Control	78-8118-3402-3
Ceiling mount	78-6969-8357-2
Adjustable height suspension	78-6969-8312-7
Shipping case	78-6969-8347-3
Soft carry case	78-6969-8346-5
Soft travel case with wheels	78-6969-8130-3

Not Included with Basic Packet	Part Number
RS-232 control cable	78-8118-3312-4

How to Order

Please order these parts through your dealer, or contact 3M Customer Service at the following number:

In U.S. or Canada: 1-800-328-1371

In other locations, contact your 3M Sales office.

The contents of this manual are subject to revision without prior notice.

3M assumes no responsibility for the infringement of special rights of a third party or other rights that may arise out of the information contained in this manual.

Reproduction of this manual in any form without prior permission is strictly prohibited.

3M will replace the manual if any pages are missing or collated incorrectly.

Table of Contents

A.1 Technical Specifications
A.2 Dimensions
A.3 Projector-to-Screen Distance
A.4 Connection to the Video Signal Terminal
A.5 Connection to the RGB Signal Terminal
A.6 Indicator Status
A.7 Connection to the Control Signal Terminal

A.1 Technical Specifications

√ Note

All specifications are subject to change without notice.

Product name		Multimedia projector
Model Name		MP8740
Display system		3 beam poly-silicon LCD
Liquid crystal panel	Panel size	1.3 inches (33 mm)
	Drive system	TFT active matrix
	Number of pixels	786,432 pixels (V768 · H1024) per panel. 2.36 million total pixels with 3 panels.
Lens		F/Number: F/2.3 - F/3.0 Focal Length: F = 48.1 - 72.1 mm (1.9" - 2.8")
Lamp		Metal halide lamp 260W
Speaker (stereo)		2 watts each
Power supply		AC100 ~ 120V, 5A / AC220 ~ 240V, 2.2A (Universal)
Power consumption		370W
Operating temperature range		32° ~ 95°F (0° ~ 35°C)
Dimensions		15.9" (W) · 6.1" (H) · 12.0" (D) 404 mm (W) x 154 mm (H) x 305 mm (D)
Weight		18.6 lbs. (8.4 kg)
Input/Output terminal	video signal input terminal	S VIDEO : Mini DIN4-pin terminalVIDEO : RCA Jack terminalAUDIO : RCA Jack terminal
	RGB input/output signal terminal	RGB signal : D-sub 15pin (Female)AUDIO : Stereo mini jack
	Control terminal	D-sub 15pin (Male)

A.2 Dimension

A.3 Projector-to-Screen Distance

Example of the Multimedia projector and screen installation. Determine picture size and projection distance as illustrated below.

DistanceTo Screen Diagonal Width Height Diagonal Width Height
227 cm 102 cm(7.4 ft)	81 cm 61 cm(40 in.)	153 cm 122 cm(32 in.)	(24 in.)	92 cm(60 in.)	(48 in.)	(36 in.)
341 cm(11.2 ft)	152 cm(60 in.)	121 cm(48 in.)	91 cm(36 in.)	228 cm(90 in.)	183 cm(72 in.)	137 cm(54 in.)
455 cm 202 cm(15 ft)	162 cm(80 in.)	121 cm 304 cm(64 in.)	243 cm(48 in.)	182 cm(120 in.)	(96 in.)	(72 in.)
569 cm 252 cm(18.7 ft)	202 cm(99 in.)	151 cm 379 cm(79 in.)	303 cm(60 in.)	227 cm(149 in.)	(119 in.)	(90 in.)
682 cm 302 cm(22.4 ft)	241 cm(119 in.)	181 cm 454 cm(95 in.)	363 cm(71 in.)	272 cm(179 in.)	(143 in.)	(107 in.)
853 cm 377 cm(28.0 ft)	302 cm(148 in.)	226 cm 556 cm(119 in.)	453 cm(89 in.)	340 cm(223 in.)	(178 in.)	(134 in.)
1137 cm(37.3 ft)	502 cm(198 in.)	402 cm(158 in.)	301 cm(119 in.)	755 cm(297 in.)	604 cm(238 in.)	453 cm(178 in.)

√ Note

These sizes are ± 1 inch. This is due to variations in the manufacture of the lens. If you are close to one of the endpoints you should verify with your unit that the image is the proper size at the proper distance.

A.4 Connection to the Video Signal Terminal

a) Input signal

S-VIDEO signal		Luminance signal 1.0Vp-p, 75 Ω terminationChrominance signal 0.286Vp-p (burst signal), 75 Ω termination
VIDEO signal		1.0Vp-p, 75Ω termination
AUDIO signal	Input	200mVrms, 20 kΩ below (MAX 3.0Vp-p)
	Output	0~200mVrms, 1k Ω

b) Signal input terminal

√ Note

Video input signal terminals have priority in the following order:

1. S-VIDEO input terminal
2. RCA jack (composite) input terminal

A.5 Connection to the RGB Signal Terminal

a) Input signal / Output signal

Video signal		Analog 0.7Vp-p 75 Ω termination (Positive polarity)
Horizontal sync signal		TTL level (Positive/negative polarity)
Vertical sync signal		TTL level (Positive/negative polarity)
Composite sync signal		TTL level
Audio signal	Input	200mVrms, 20k Ω below (MAX 3.0Vp-p)
	Output	0 ~ 200mVrms, 1k Ω

b) Signal input terminal / output terminal

1	Video signal (Red)	9	No Connection
2	Video signal (Green)	10	No Connection
3	Video signal (Blue)	11	Ground
4	No Connection	12	SDA (DDC)
5	No Connection	13	Horizontal/Composite sync signal
6	Ground (for R)	14	Vertical sync signal
7	Ground (for G)	15	SCL (DDC)
8	Ground (for B)

c) Example of computer signal

Resolution HxV	Refresh Rate Hor	zontal Standard Frequency Dots HxV
640 x 350 70.1	Hz 31.5 kHz VGA-1 1024 x 560
640 x 400 56.4	Hz 24.8 kHz NEC PC9801 1024 x 640
640 x 400 70.1	Hz 31.5 kHz VGA-2 1024 x 640
640 x 480 85.0	Hz 43.3 kHz VESA 863 x 640
640 x 480 59.9	Hz 31.5 kHz VESA VGA-3 1024 x 768
640 x 480 66.7	Hz 35.0 kHz		MAC 13"	1024 x 768
640 x 480 72.8	Hz 37.9 kHz VESA		1024 x 768
640 x 480 75.0	Hz 37.5 kHz VESA		1024 x 768
800 x 600 56.3	Hz 35.2 kHz VESA		1000 x 750
800 x 600 60.3	Hz 37.9 kHz VESA		1000 x 750
800 x 600 72.2	Hz 48.1 kHz VESA		1000 x 750
800 x 600 75.0	Hz 46.9 kHz VESA		1000 x 750
800 x 600 85.1	Hz 53.7 kHz VESA 800 x 600
832 x 624 74.6	Hz 49.7 kHz		MAC 16"	980 x 735
1024 x 768 43.5 Hz Interlaced		35.5 kHz VESA Compressed 853 x 640
1024 x 768	60.0 Hz 48.4 kHz VESA		1024 x 768
1024 x 768	70.1 Hz 56.5 kHz VESA		1024 x 768
1024 x 768	75.0 Hz 60.0 kHz VESA		1024 x 768
1152 x 864	75.0 Hz	67.5 kHz	VESA	Compressed	960 x 720
1280 x 960	60.0 Hz 60.0 kHz VESA	Compressed 1024 x 768
1280 x 1024 60.0 Hz 64.0 kHz VESA Compressed 960 x 768
1280 x 1024	75.0 Hz	80.0 Hz	VESA	Compressed	960 x 768

Note 1: MAC adapter is necessary to set the resolution mode. Projector is compatible with 13 inch mode and 16 inch mode.

Set all dip switches OFF except those indicated in the chart. For example:

MAC 13" mode = switch 1, 5 and 6 are ON MAC 16" mode = switch 2, 5 and 6 are ON

Diagram of an electronic component with labeled pins (no text or symbols beyond pin numbers)

(Example of 16 inch mode)

Note 2: Some input sources may not be displayed properly because they are not compatible with the projector.

A.6 Indicator Status

The ON, LAMP and TEMP indicators will light or blink in the following cases:

	Indicator status	Meaning	Remedy
ON indicator	Lights orange	Standby mode	normal
	Blinks green	During warming up	normal
	Lights green	During operation	normal
	Blinks orange	During cooling down	normal
LAMP indicator	Lights red	Lamp cannot light	Cool projector by power off for 20 minutes.
	Blinks red	Air filter open	Ensure filter is closed.
TEMP indicator	Lights red	Temperature inside too high	Let projector cool 20 minutes. Check air flow and filter.
	Blinks red	Cooling fan not operating	call your dealer

*When the LAMP indicator lights or blinks, turn the power off. If the problem persists, contact your dealer.

A.7 Connection to the Control Signal Terminal

a) Mouse emulation

(1) While the projector and computer are turned OFF, connect the projector and the mouse terminal of computer using an appropriate cable. (PS/2, Serial or ADB)
(2) Turn ON the projector.
(3) Turn ON the computer.
(4) Select the correct mouse driver for the application. See computer's User Manual for this procedure.

√ Note

In some Notebook computers which have internal pointing device, mouse emulation will not work unless the internal pointing device is disabled. In this case, disable the internal pointing device in BIOS setting. Check the computer's manual for procedure to follow to disable internal pointing device in BIOS setting.

Caution

Turn off the power to both the projector and computer before connecting. Connect the computer to the control terminal of the projector using the appropriate cable.

PS/2 mouse

graph TD
    A["Projector"] --> B["1 CLK"]
    A --> C["2 DATA"]
    A --> D["3"]
    A --> E["4"]
    A --> F["5"]
    A --> G["6"]
    A --> H["7"]
    A --> I["8"]
    A --> J["9"]
    A --> K["10"]
    A --> L["11"]
    A --> M["12"]
    A --> N["13"]
    A --> O["14"]
    A --> P["15"]
    Q["DATA"] --> R["1 2"]
    Q --> S["2 GND"]
    Q --> T["3 +5V"]
    Q --> U["4 CLK"]
    Q --> V["5 6"]

ADB mouse

graph TD
    A["Projector"] --> B["1"]
    A --> C["2"]
    A --> D["3"]
    A --> E["4"]
    A --> F["5"]
    A --> G["6"]
    A --> H["7"]
    A --> I["8"]
    A --> J["9"]
    A --> K["10"]
    A --> L["11"]
    A --> M["12"]
    A --> N["13"]
    A --> O["14"]
    A --> P["15"]
    Q["ADS"] --> R["2 (POWER ON)"]
    S["GND"] --> T["3 +5V"]
    S --> U["4 GND"]

A.7 Connection to the Control Signal Terminal (continued)

Serial mouse

b) RS-232 Control Cable (not included with basic packout)

This cable is used to directly control the projector without using the Remote Control or Operator's Panel.

Serial Command Codes

All numbers in this document are in Hexadecimal. You must send at the same communication setting as the projector and use a null modem serial cable to connect to the projector.

There are four types of messages for the MP8740, 1) ASK, 2) REPLY, 3) SET and 4) DEFAULT.

Ask Code:

User:

20 XX

XX is the attribute you are checking.

Projector:

1Y XX Y bytes of data

This is a reply code. The Y is the number of extra bytes that come after the command.

The XX is the same as in the Ask code.

Set Code:

User:

XX is the attribute you are checking. The Y is the number of bytes for the data.

Projector:

1Y XX Y bytes of data

This is a reply code. The Y is the number of extra bytes that come after the command.

The XX is the same as in the Set code.

Default Code:

User:

40 XX

XX is the attribute you are checking.

Projector:

1Y XX Y bytes of data

This is a reply code. The Y is the number of extra bytes that come after the command.

The XX is the same as in the Ask code.

Errors:

For an error, the projector will reply with the same code that was sent but with a 0 in the first nibble.

Serial Command Code Table

Function Command Code # Bytes Data Code Meaning
Mouse 05 1 00 Stop mouse function			01-7F Enable mouse function
Communication 06	1 0X 8N1		1X 7N1X0 1200 bpsX1 2400 bpsX2 4800 bpsX3 9600 bpsX4 19200 bps
Power 11	1 1E Power off		1F	Power on
Zoom	12 1 01-3F Zoom +		41-7F Zoom -
Focus	13 1 01-3F Focus +		41-7F Focus -
Mirror	14 1 00 Normal		01 H Invert02 V Invert03 H & V Invert
Input	21 1 11	Video 1	12 Video 221 RGB 122 RGB 2
Video Type	22 2 00 00	Auto	00 0100 0200 03	NTSCPALSECAM
Volume	23 1 00-7F 00 - Softest
Mute	24 1 00 Mute off		01 Mute on
Brightness	31 3 00 00 00 -	7F is high	end of scale00 00 7F
Contrast	32 3 00 00 00 -	7F is high	end of scale00 00 7F
Color	33 3 00 00 00 -	7F is high	end of scale00 00 7F
Tint	34	3	00 00 00 -00 00 7F	7F is green end of scale
Sharpness	35 3 00 00 00 -	7F is sharp	end of scale00 00 7F
H. Phase	37 3 00 00 00 -		00 00 1F
H. Position	38 4 00 00 00 00 -	7F is right	end of scale00 00 7F 01
H. Size	36 4 00 00 02 06 -	1E 08 is wide	end of scale00 00 1E 08
V. Position	3A	3	00 00 00 00 -00 00 7F 01	7F 01 is down

Serial Command Code Table (con't)

Function Command Code # Bytes Data Code Meaning
Blank 41 1 0X Blank off			1X Blank on bit 0 - 0 Blue off bit 0 - 1 Blue on bit 1 - 0 Green off bit 1 - 1 Green on bit 2 - 0 Red off bit 2 - 1 Red on bit 3 - 0 No change bit 3 - 1 Change
Reveal 42 1 0X Stop			X1 Reveal down X4 Reveal right	X in down and right is 0 - 7 with 7 being the fastest

All statements, technical information, and recommendations related to Seller's products are based on information believed to be reliable, but the accuracy or completeness thereof is not guaranteed. Before utilizing the product, the user should determine the suitability of the product for its intended use. The user assumes all risks and liability whatsoever in connection with such use.

Any statements or recommendations of the Seller which are not contained in the Seller's current publications shall have no force or effect unless contained in an agreement signed by an authorized officer of Seller. The statements contained herein are made in lieu of all warranties, expressed or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose which warranties are hereby expressly disclaimed.

SELLER SHALL NOT BE LIABLE TO THE USER OR ANY OTHER PERSON UNDER ANY LEGAL THEORY, INCLUDING BUT NOT LIMITED TO NEGLIGENCE OR STRICT LIABILITY, FOR ANY INJURY OR FOR AN DIRECT, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES SUSTAINED OR INCURRED BY REASON OF THE USE OF ANY OF THE SELLER'S PRODUCTS.

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