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USER MANUAL 32UD89-W LG
OWNER'S MANUAL IPS LED MONITOR (LED MONITOR\*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
Please read the safety information carefully before using the product.
IPS LED Monitor (LED Monitor) Model List
32UD89
32MU89
CONTENTS
3 LICENSE
4 ASSEMBLING AND PREPARING
4 Product Components
5 Supported Drivers and Software
6 Component and Button Description
6 - How to Use the Joystick Button
7 Input Connector
8 Moving and Lifting the Monitor
9 Installing the Monitor
9 - Assembling the stand base
10 - Using the cable holder
11 - Installing onto a table
12 - Adjusting the angle
12 - Adjusting the Stand Height
13 - Pivot Feature
14 - Using the Kensington lock
15 - Detaching the Stand Body
15 - Installing the wall mount plate
15 - Installing to a wall
17 USING THE MONITOR
17 Connecting to a PC
17 - HDMI connection
17 - DisplayPort connection
18 - USB-C connection
18 Connecting to AV Devices
18 - HDMI connection
19 Connecting to External Devices
19 - Connecting Headphones
19 Service only port
20 USER SETTINGS
20 Activating the Main Menu
20 - Main Menu Features
21 User Settings
21 - Menu Settings
25 TROUBLESHOOTING
27 SPECIFICATIONS
27 32UD89/32MU89
28 Factory Support Mode (Preset Mode, PC)
28 HDMI
28 DisplayPort / USB-C
28 Power LED
LICENSE
Each model has different licenses. Visit www.lg.com for more information on the license.

HIGH-DEFINITION MULTIMEDIA INTERFACE
The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.

VESA, VESA logo, DisplayPort compliance logo and DisplayPort compliance logo for dual-mode source devices are all registered trademarks of the Video Electronics Standards Association.
The following content is only applied to the monitor which is sold in Europe market and which needs to meet the ErP Directive:
* This monitor is set to be turned off automatically in 4 hours after you turned on display if there is no adjustment to display.
* To make this setting be disabled, change the option to 'Off' in OSD menu of "Automatic Standby".
ASSEMBLING AND PREPARING
Product Components
Please check whether all the components are included in the box before using the product. If there are missing components, contact the retail store where you purchased the product. Note that the product and components may look different from those shown here.

CD(Owner's Manual) / Card


Power Cord AC-DC Adapter
( Depending on the country )
or

AC-DC Adapter

HDMI Cable
( This cable is not included in all countries. )

DisplayPort Cable
( This cable is not included in all countries. )

USB C-C cable
( This cable is not included in all countries. )

Stand Body

Stand Base Cable Holder


CAUTION
Always use genuine components to ensure safety and product performance.
The product warranty will not cover damage or injury caused by the use of counterfeit components.
It is recommend that use the supplied components.
If you use generic cables not certified by LG, the screen may not display or there may be image noises.

NOTE
Note that the components may look different from those shown here.
Without prior notice, all information and specifications in this manual are subject to change to improve the performance of the product.
To purchase optional accessories, visit an electronics store or online shopping site or contact the retail store where you purchased the product.
Supported Drivers and Software
You can download and install the latest version from the LGE website (www.lg.com).
| Drivers and Software Installation Priority | 32UD89 / 32MU89 | |
| Monitor Driver Recommended O | ||
| OnScreen Control Recommended O | ||
| Dual Controller Optional O |
Component and Button Description

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Joystick Button Power LEDJoystick Button
Power LED
On: power is on
Off: power is off
How to Use the Joystick Button
You can easily control the functions of the monitor by pressing the joystick button or moving it left/right with your finger.
Basic Functions
![]() | Power on | Press the joystick button once with your finger to turn on the monitor. | |
![]() | Power off | Press and hold the joystick button once with your finger to turn off the monitor. | |
![]() | ◀/▶ | Volume Control | You can control the volume by moving the joystick button left/right. |

NOTE
- The joystick button is located at the bottom of the monitor.
Input Connector

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DP-IN HDMI IN 1 HDMI IN 2 HDMI SERVICE ONLY H/P Ω DC-IN (19 V ——) 电源输入Moving and Lifting the Monitor
When moving or lifting the monitor, follow these instructions to prevent the monitor from being scratched or damaged and to ensure safe transportation regardless of its shape or size.
It is advisable to place the monitor in the original box or packing material before attempting to move it.
Before moving or lifting the monitor, disconnect the power cord and all cables.
Hold the top and bottom of the monitor frame firmly. Do not hold the screen itself.

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Diagram illustrating hand positioning and grip application steps with magnified views showing correct and incorrect statesWhen holding the monitor, the screen should face away from you to prevent it being scratched.

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Prohibition sign showing a person holding a computer monitor, crossed out by a diagonal lineWhen moving the monitor, avoid any strong shock or vibrations to the product.
When moving the monitor, keep it upright, never turn the monitor on its side or tilt it sideways.

CAUTION
As far as possible, avoid touching the monitor screen. This may result in damage to the screen or some of the pixels used to create images.

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Safety warning symbol with prohibition sign over a monitor, indicating no protection or disinfectionIf you use the monitor panel without the stand base, its joystick button may cause the monitor to become unstable and fall, resulting in damage to the monitor or human injury. In addition, this may cause the joystick button to malfunction.

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Illustration showing a person holding a device with a prohibition symbol, alongside a magnified view of an eye with a red circle.Installing the Monitor
Assembling the stand base
1 Please put a soft cloth on a low table or box to protect the screen of the monitor.

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Line drawing of a simple rectangular table with four legs and a shaded top surface (no text or symbols)2 Please put the monitor on the soft cloth with the screen facing down.

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Line drawing of a simple wooden table with a small object on top (no text or symbols)3 ① Assemble the Head and Stand body.

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Diagram illustrating a mechanical assembly process with labeled components and directional arrows indicating motion or movement.② Assemble the Stand body and Stand base.

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Diagram showing a tool interacting with a device, with a magnified view highlighting a red arrow (no text or symbols present)4 Turn the screw clockwise to secure the stand base.

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Illustration showing a hand holding a switch with a red circular arrow indicating rotation (no text or symbols present)CAUTION
To avoid injury to the fingers and foot when Assembly Stand Body and Base, should hold Base when assem-bly stand body and base.
NOTE
Press the stand until the button reaches the top.

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Diagram of a mechanical device with a magnified inset showing a cylindrical component and an upward arrow (no text or symbols)
CAUTION
Illustrations in this document represent typical procedures, so they may look different from the actual product.
Do not carry the monitor upside down by just holding the stand base. This may cause the monitor to fall off the stand and could result in personal injury.
When lifting or moving the monitor, do not touch the monitor screen. The force applied to the monitor screen may cause damage to it. Do not apply foreign substances (oils, lubricants, etc.) to the screw parts when assembling the product. (Doing so may damage the product.) Applying excessive force when tightening screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.

NOTE
You can disassemble the stand in the reverse order of the assembly.
Using the cable holder
Arrange the cables using the cable holder as shown in the illustration.

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cable holderInstalling onto a table
1 Lift the monitor and place it on the table in an upright position.
Place at least 100 mm away from the wall to ensure sufficient ventilation.

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100 mm 100 mm 100 mm 100 mm2 Connect the Power cord to the monitor, then plug the power cord into the wall outlet.

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1 2 or 2 3 13 Press the joystick button on the bottom of the monitor to turn on the monitor.

CAUTION
Unplug the power cord prior to moving or installing the monitor. There is risk of electric shock.
Cautions When Connecting Power Cord

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Two-step diagram showing a power outlet connected to an open electrical socket, with no text or symbols present.100-240 V\~
Make sure to use the power cord that is provided in the product package and connect it to a grounded power outlet.
If you need another power cord, please contact your local dealer or the nearest retail store.
Adjusting the angle
1 Place the monitor in an upright position, mounted on the stand base.
2 Adjust the angle of the screen. The angle of the screen can be adjusted forwards or backwards for a comfortable viewing experience.

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20° -5°Front SideRear Side

WARNING
To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor's frame as illustrated below.

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Simple line drawing of a hand holding a tool, with a red circle highlighting a circular feature (no text or symbols)
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Diagram showing a hand holding a device with a prohibition symbol and warning symbols, indicating no liability or caution.
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Diagram showing a hand holding a vertical object with red arrows indicating force or direction, and a prohibition symbol below.Be careful not to touch or press the screen area when adjusting the angle of the monitor.

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Illustration of two hands holding a blank computer monitor with a red prohibition symbol on the screen (no text or labels)Adjusting the Stand Height
1 Handle the monitor with both hands for safety.

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Illustration of hands holding a blank monitor with a red upward arrow indicating motion (no text or symbols)2 The height can be adjusted up to 110.0 mm.

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110.0 mm
WARNING

Do not put your fingers or hand between the screen and the base (chassis) when adjusting the screen's height.
Pivot Feature
The pivot feature allows the monitor to rotate 90^ clockwise.

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Head Stand
WARNING
To avoid scratching the stand base, make sure that when rotating the monitor using the pivot feature, the stand does not make contact with the monitor.
1 Raise the monitor to the maximum height.

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Simple diagram of a monitor with an upward arrow, no text or symbols present2 Adjust the angle of the monitor in the direction of the arrow as shown in the figure.

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Simple line drawing of a mechanical lever or support structure with an arrow indicating rotational motion (no text or symbols)3 Rotate the monitor clockwise as shown in the figure.

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Simple diagram of a tilted rectangular panel with rotation arrows, no text or symbols present4 Complete the installation by rotating the monitor 90° as shown below.


NOTE
Auto Pivot feature of the display is not supported. The screen can be rotated easily using the screen pivot shortcut key provided with your Windows operating system. Note that some Windows versions and some graphics card drivers may use different settings for the screen pivot key or may not support the pivot key at all.
Windows screen pivot shortcut keys
- 0°: Ctrl + Alt + Up arrow key (↑)
- 90°: Ctrl + Alt + Left arrow key (←)
- 180°: Ctrl + Alt + Down arrow key (↓)
- 270°: Ctrl + Alt + Right arrow key (→)

WARNING
Take care when rotating the monitor if the cable is connected.
To avoid injury when rotating the display, do not place your fingers between the display and the stand base.

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Simple line drawing of a hand holding a vertical rod above a bracket, with a red prohibition symbol below (no text or labels)Using the Kensington lock
The Kensington security system connector is located at the back of the Monitor set.
For more information on installation and usage, refer to the Kensington lock user manual or visit the website at http://www.kensington.com.
Connect the Kensington security system cable between the Monitor set and a table.

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Illustration of a computer monitor connected to a cable with two magnified insets showing mechanical components (no text or symbols present)
NOTE
Use of the Kensington lock is optional.
The accessories can be purchased at your local electronics store.

NOTE
The left or right side of the monitor head can be slightly rotated up or down (up to 3°). Adjust the horizontal level of the monitor head.

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Monitor headDetaching the Stand Body
1 Place the monitor's screen face down. To protect the screen from scratches, cover the surface with a soft cloth.
2 Remove the stand from the monitor by pressing the button on the bottom center of the back of the monitor.

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Diagram illustrating a cable being inserted into a device, showing the cable being inserted with a red circular motion indicator.
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Diagram of a mechanical device with a magnified inset showing a component (no text or symbols)Installing the wall mount plate
This monitor supports the specification of the standard wall mount plate or compatible device.
1 Place the screen face down. To protect the screen from scratches, cover the surface with a soft cloth.
2 Place the wall mount plate onto the monitor and align it with the screw holes.
3 Tighten the four screws to fix the plate to the monitor using a screwdriver.

NOTE
The wall mount plate is sold separately.
For more information on installation, refer to the wall mount plate's installation guide.
Be careful not to use excessive force when mounting the wall mount plate, as this can damage the monitor's screen.
Installing to a wall
Install the monitor at least 100 mm away from the wall and leave about 100 mm of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be obtained from your local retail store. Please refer to the manual to install and set up a tilting wall mounting bracket.

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100 mm 100 mm 100 mm 100 mmTo install the monitor to a wall, attach a wall mounting bracket (optional) to the back of the monitor.
Make sure that the wall mounting bracket is securely fixed to the monitor and to the wall.
1 If you use screw longer than standard, the monitor might be damaged internally.
2 If you use improper screw, the product might be damaged and drop from mounted position.
In this case, LG Electronics is not responsible for it.
| Wall Mount (A x B) | 100 x 100 |
| Standard screw M4 | x L10 |
| Number of screws 4 | |
| Wall Mount Plate(Optional) | LSW 149![]() |
Wall Mount (A x B)

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A B
CAUTION
Unplug the power cord before moving or installing the monitor to avoid electric shocks.
Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could lead to injury. Please use the genuine LG wall mounting bracket. For more information, contact your local retail store or a qualified installer.
Applying excessive force when fastening screws may cause damage to the monitor. Damage caused in this way will not be covered by the product warranty.
Use the wall mounting bracket and screws that conform to the VESA standard. Damage caused by the use or misuse of inappropriate components will not be covered by the product warranty.
Screw length from outer surface of back cover should be under Max. 8 mm.

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Wall mount Pad Back Cover Wall mount Pad Back Cover Standard screw : M4 x L10 Max. 8 mm
NOTE
Use the screws specified by the VESA standard. The wall mount kit includes the installation guide and all necessary parts.
The wall mounting bracket is optional. The accessories can be purchased at your local retail store.
The length of the screw may differ for each wall mounting bracket. Ensure the correct length screw is used.
For more information, please refer to the user manual for the wall mounting bracket.
USING THE MONITOR
Connecting to a PC
This monitor supports the *Plug and Play feature.
*Plug and Play: A feature that allows you to add a device to your computer without having to reconfigure anything or install any manual drivers.
HDMI connection
Transmits the digital video and audio signals from your PC and A/V devices to the monitor. Connect your PC and AV device to the monitor with the HDMI cable as illustrated below.
Press the menu button and then select the input option from the input menu.

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HDMI OUT PC HDMI IN 1 HDMI IN 2
NOTE
If you use HDMI PC, it can cause compatibility problem.
Use a certified cable with the HDMI logo attached. If you do not use a certified HDMI cable, the screen may not display or a connection error may occur.
Recommended HDMI cable types
- High-Speed HDMI ^TM Cable
- High-Speed HDMI ^TM Cable with Ethernet
DisplayPort connection
Transmits the digital video and audio signals from your PC to the monitor. Connect your PC to the monitor using the DisplayPort cable as illustrated below.
Press the menu button and then select the input option from the input menu.

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DP-IN DC OUT PC
NOTE
There may be no video or audio output depending on the DP version of the PC.
- If you use generic cables not certified by LG, the screen may not display or there may be image noises.
USB-C connection
Transmits digital video and audio signals from your PC to the monitor.
Connect the monitor to your PC using the USB-C cable as shown in the illustration below.
Press the menu button and then select the input option from the input menu.

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(USB C-C cable) PC
NOTE
- PD(Power Delivery) and DP Alternate Mode(DP over USB-C) are supported via USB-C Port.
- Features may not work properly depending on the connected device's specifications and the environment.
- USB-C port is not for the Monitor Power source but for a PC power source.
Connect Adapter to supply power to the Monitor
Connecting to AV Devices
HDMI connection
Transmits the digital video and audio signals from your PC and A/V devices to the monitor. Connect your PC and AV device to the monitor with the HDMI cable as illustrated below.
Press the menu button and then select the input option from the input menu.

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HDMI OUT AV HDMI IN 1 HDMI IN 2
NOTE
Use a certified cable with the HDMI logo attached. If you do not use a certified HDMI cable, the screen may not display or a connection error may occur.
Recommended HDMI cable types
- High-Speed HDMI ^® /™ Cable
- High-Speed HDMI ^® / ^TM Cable with Ethernet
Connecting to External Devices
Connecting Headphones
Connect peripherals to the monitor via the headphones port. Connect as illustrated.

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H/P(sold separately)
Service only port
The port is used only for "Service".

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Simple diagram of a rectangular device with a horizontal bar inside, no text or symbols present.SERVICE ONLY

NOTE
• Peripheral devices are sold separately.
- If you use angled earphones, it may cause a problem with connecting another external device to the monitor. Therefore, it is recommended to use straight earphones.


Angled Straight
- Depending on the audio settings of the PC and external device, headphones and speaker functions may be limited.
USER SETTINGS
Activating the Main Menu
1 Press the joystick button on the bottom of the monitor.
2 Move the joystick up/down (▲/▼) and left/right(◀/▶) to set the options.
3 Press the joystick button once more to exit the main menu.

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Joystick Button| Button Menu Status Description | |||
![]() | Main menu disabled Enables the main menu. | ||
| Main menu enabled | Exits the main menu.(Holding down the button to turn off the monitor. You can turn off the monitor this way at any time, including when the OSD is on.) | ||
![]() | ◀ | Main menu disabled Adjusts the monitor volume level. | |
| Main menu enabled Enters the Input feature. | |||
| ▶ | Main menu disabled Adjusts the monitor volume level. | ||
| Main menu enabled Enters the Menu features. | |||
![]() | ▲ | Main menu disabled Displays information on the current input. | |
| Main menu enabled Turns off the monitor. | |||
| ▼ | Main menu disabled Displays information on the current input. | ||
| Main menu enabled Enters the Game features. | |||
Main Menu Features

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Power Off Input Exit Menu Game| Main Menu Description |
| Menu Configures the screen settings. |
| Game Sets the picture mode for gaming. |
| Input Sets input mode. |
| Power Off Turns off the monitor. |
| Exit Exits the main menu. |
User Settings
Menu Settings
1 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu.
2 Configure the options by moving the joystick up/down/left/right.
3 To return to the upper menu or set other menu items, move the joystick to◀ or pressing (○/ Ok) it.
4 If you want to exit the OSD menu, move the joystick to ◀ until you exit.
- When you enter the menu, instructions on how to use the button will appear in the bottom right corner of the screen.




Quick Settings Input Picture General

CAUTION
- Your monitor's OSD (On Screen Display) may differ slightly from that shown in this manual.
Each option is described below.
| Menu > Quick Settings Description | |
| Brightness | Adjusts the color contrast and brightness of the screen. |
| Contrast | |
| Volume Adjusts the volume level. | NOTEYou can adjust Mute / Unmute by moving the joystick button to▼in the Volume menu. |
| Menu > Input Description | |
| Input List Selects the input mode. | |
| Aspect Ratio Adjusts the aspect ratio of the screen. | |
| Full Wide Displays the video in wide-screen, regardless of the video signal input. | |
| Original Displays video according to the aspect ratio of the video signal input. | |
| 1:1 The aspect ratio is not adjusted from the original. | |
NOTEThe display may look the same for Full Wide, Original, and 1:1 options at the recommended resolution (3840 x 2160).There is no 1:1 menu on FreeSync Mode. (Go to Picture→ Game Adjust → FreeSync, to set FreeSync On or Off) |
| Menu > Picture Description | ||
| Picture Mode | Custom | Allows the user to adjust each element. The color mode of the main menu can be adjusted. |
| Reader | Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu. | |
| Photo | Optimizes the screen for photos. | |
| Cinema Optimizes | the screen for video. | |
| Dark Room 1 | This mode adjusts the brightness to the optimal level for working in a dark environment. | |
| Dark Room 2 | This mode sets the brightness to a lower level than Dark Room 1. | |
| Color Weakness | This mode is for users who cannot distinguish between red and green. It enables users with color weakness to easily distinguish between the two colors. | |
| Picture Mode | FPS Game 1 | This mode is optimized for FPS games. |
| FPS Game 2 | It has a higher Black Stabilizer value than FPS Game 1. It is suitable for very dark FPS games. | |
| RTS Game This mode is optimized for RTS Game. | ||
| Custom (Game) | In this mode, users can customize various elements including game-related options. | |
| NOTEIf the picture mode is changed in the screen may flicker or the resolution of your PC screen may be affected. | ||
| Picture Adjust Brightness Adjusts the brightness of the screen. | |||||
| Contrast Adjusts the contrast of the screen. | |||||
| Sharpness Adjusts the sharpness of the screen. | |||||
| SUPER RESOLUTION+ | High Optimized picture quality is displayed when a user wants crystal clear images. It is effective for high quality video or game. | ||||
| Middle The optimized picture quality is displayed when a user wants images between low and high modes for comfortable viewing. It is effective for UCC or SD video. | |||||
| Low | The optimized picture quality is displayed when a user wants smooth and natural images. It is effective for slow-moving pictures or still images. | ||||
| Off Select this option for everyday viewing. SUPER RESOLUTION+ is turned off in this mode. | |||||
NOTEBecause this is a function to increase the sharpness of low resolution pictures, it is not recommended to use the function for normal text or for desktop icons. Doing so may result in unnecessarily high sharpness. | |||||
| Black Level Sets the offset level (for HDMI only).Offset: as a reference for a video signal, this is the darkest color the monitor can display. | |||||
| HDMI ULTRA HD Deep Color | Provides sharper images when connected to a device supporting ULTRA HD Deep Color. | ||||
| 4K@60 Hz Support Format1) | |||||
| Resolution | Frame rate (Hz) | Color Depth / Chroma Sampling | |||
| 8 bit 10 bit | |||||
| 3840 x 2160 | 59.94 60.00 | YCbCr 4:2:0 | |||
| YCbCr 4:2:2 | |||||
| YCbCr 4:4:4 - | |||||
| RGB 4:4:4 - | |||||
| 1) Supported when HDMI ULTRA HD Deep Color is set to On. | |||||
NOTEIf the connected device does not support ULTRA HD Deep Color, the feature may not work properly.If a problem occurs, set the HDMI ULTRA HD Deep Color option to Off. | |||||
| DFC | On | Adjusts the brightness automatically according to the screen. | |||
| Off Disables the DFC feature. | |||||
| Game Adjust | Response Time | Sets a response time for displayed pictures based on the speed of the screen.For a normal environment, it is recommended that you use Normal. For a fast-moving picture, it is recommended that you use Fast.Setting to Fast may cause image sticking. | |||
| Fast Sets the response time to Fast. | |||||
| Normal Sets the response time to Normal. | |||||
| Slow Sets the response time to Slow. | |||||
| Off Does not use the response time improvement feature. | |||||
| FreeSync | Provides seamless and natural images by synchronizing the vertical frequency of the input signal with that of the output signal.CAUTIONSupported Interface: DisplayPort,HDMI.Supported Graphic Card : A graphic card that supports AMD's FreeSync is necessary.Supported Version : Make sure to update the graphic card to the latest driver.For more information and requirement, refer to AMD website at http://www.amd.com/FreeSync | ||||
| Extended Enable wider frequency range of FreeSync function than basic mode.The screen may flicker during the game play. | |||||
| Basic Enable basic frequency range of FreeSync function. | |||||
| Off FreeSync function off. | |||||
| Black Stabilizer | You can control the black contrast to have better visibility in dark scenes.Increasing the Black Stabilizer value brightens the low gray level area on the screen. (You can easily distinguish objects on dark game screens.)Reducing the Black Stabilizer value darkens the low gray level area and increases the dynamic contrast on the screen. | ||||
| Color Adjust Gamma | Mode 1, Mode 2, Mode 3 | The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image becomes. | |||
| If you do not need to adjust the gamma settings, select Mode 4. | |||||
| Color Temp | Custom | The user can adjust it to red, green, or blue by customization. | |||
| Warm | Sets the screen color to a reddish tone. | ||||
| Medium | Sets the screen color between a red and blue tone. | ||||
| Cool | Sets the screen color to a bluish tone. | ||||
| Red | You can customize the picture color using Red, Green, and Blue colors. | ||||
| Green | |||||
| Blue | |||||
| Six Color | Meets the user requirements for colors by adjusting the hue and saturation of the six colors (Red, Blue, Green, Cyan, Magenta and Yellow) and then saving the settings. | ||||
| Hue Adjusts the tone of the screen colors. | |||||
| Saturation | Adjusts the saturation of the screen colors. The lower the value, the less saturated and brighter the colors become. The higher the value, the more saturated and darker the colors become. | ||||
| Picture Reset Do you want to Picture reset your settings? | |||||
| No Cancel the select. | |||||
| Yes | Returns to the default settings. | ||||
| Menu > General Description | |||||
| Language Sets the menu screen to the desired language. | |||||
| SMART ENERGY SAVING | High Saves energy using the high-efficiency SMART ENERGY SAVING feature. | ||||
| Low Saves energy using the low-efficiency SMART ENERGY SAVING feature. | |||||
| Off Disables the SMART ENERGY SAVING feature. | |||||
| Power LED Turns the power LED on the front of the monitor on or off. | |||||
| On The power LED turns on automatically. | |||||
| Off The power LED turns off. | |||||
| Automatic Standby | Feature that automatically turns off the monitor when there is no movement on the screen for a period of time. You can set a timer for the auto-off function. (Off, 4 H, 6 H, and 8 H) | ||||
| DisplayPort 1.2 Enables or disables DisplayPort 1.2.[SZK7] NOTEBe sure to configure this option according to the DisplayPort version supported by your graphics card. Set this option to Disable if your graphics card does not support DisplayPort 1.2. | |||||
| OSD Lock This feature disables the configuration and adjustment of menus. | |||||
| OSD Size User can select OSD Size to Large or Small. | |||||
| Deep Sleep Mode | When Deep Sleep mode is enabled, power consumption is minimized while the monitor is in standby mode. | ||||
| On Enables Deep sleep Mode | |||||
| Off Disables Deep sleep Mode | |||||
NOTEThe USB charging function will not work while Deep Sleep Mode is enabled in standby mode. | |||||
| Reset Do you want to reset your settings? | |||||

NOTE
- Saving Data depends on the Panel. So, those values should be different from each panel and panel vendor. If you select the option of SMART ENERGY SAVING is High or Low, monitor luminance become lower or higher depend on source.
TROUBLESHOOTING
| Nothing is displayed on the screen. | |
| Is the monitor's power cord plugged in? | Check if the power cord is correctly plugged into the power outlet. |
| Is the power LED on? | Check the power cable connection and press the power button. |
| Is the power on and the power LED displaying white? | Check that the connected input is enabled (Menu > Input > Input list). |
| Is the power LED blinking? | If the monitor is in sleep mode, move the mouse, or press any key on the keyboard, to switch the display on.Check if the computer is turned on. |
| Is the OUT OF RANGE message being displayed? | This occurs when signals transferred from the PC (graphics card) are out of the horizontal or vertical frequency range of the monitor. Please see the Product Specification section of this manual to set the appropriate frequency. |
| Is the No Signal message being displayed? | This is displayed when the signal cable between the PC and the monitor is missing or disconnected. Check the cable and reconnect it. |
| The OSD lock message is being displayed. | |
| Are some functions not available when you press the Menu button? | The OSD is locked. Go to Menu > General and set OSD Lock to Off. |
| The screen retains an image. | |
| Does image sticking occur even when the monitor is turned off? | Displaying a still image for a prolonged time may cause damage to the screen, resulting in the retention of the image.To extend the lifetime of the monitor, use a screensaver. |
| Screen display is unstable and shaky / Images displayed on the monitor leave shadow trails. | |
| Did you select the appropriate resolution? | If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Change the resolution to 1080P or the recommended resolution. |

NOTE
- Vertical frequency In order to display an image, the screen must be refreshed dozens of times per second, like a fluorescent lamp. The number of times the screen is refreshed per second is called vertical frequency, or refresh rate, and is represented by Hz.
- Horizontal frequency The time it takes to display one horizontal line is called the horizontal cycle. If 1 is divided by the horizontal interval, the result is the number of horizontal lines displayed per second. This is called horizontal frequency and is represented by kHz.

NOTE
Check if the graphics card's resolution or frequency is within the range allowed by the monitor and set it to the recommended (optimal) resolution in Control Panel > Display > settings.
Not setting the graphics card to the recommended (optimal) resolution may result in blurred text, a dimmed screen, a truncated display area, or misalignment of the display.
The setting methods may be different depending on the computer or operating system, and some resolutions may not be available depending on the performance of the graphics card. If this is the case, contact the manufacturer of the computer or graphics card for assistance.
Some graphics cards may not support 3840 x 2160 resolution. If the resolution cannot be displayed, contact the manufacturer of your graphics card.
| The display color is abnormal. | |
| Does the display appear discolored (16 colors)? | Set the color to 24 bit (true color) or higher. In Windows, go to Control Panel > Display > Settings > Color Quality. |
| Does the display color appear unstable or monochrome? | Check if the signal cable is connected properly. Reconnect the cable or reinsert the PC's graphics card. |
| Are there spots on the screen? | When using the monitor, pixilated spots (red, green, blue, white, or black) may appear on the screen. This is normal for an LCD screen. It is not an error, nor is it related to the monitor's performance. |
| Do you see an "Unrecognized monitor, Plug&Play (VESA DDC) monitor found" message? | |
| Have you installed the display driver? | Be sure to install the display driver from our web site: http://www.lg.com.Make sure to check if the video card supports Plug&Play function. |
| No sound from the headphone port or speaker. | |
| Are images displayed using DisplayPort or HDMI input without sound? | Try increasing the volume using the button on the monitor.Set the audio output of the PC to the monitor you are using. On Microsoft Windows, go to Control Panel > Hardware and Sound > Sound > set the monitor as default device. |
SPECIFICATIONS
32UD89/32MU89
| LCD Screen Type TFT (Thin Film Transistor) | LCD (Liquid Crystal Display) Screen | |
| Resolution Maximum Resolution 3840 x 2160 @ 60 Hz | ||
| Video Signal | Horizontal Frequency 30 kHz to 135 kHz | |
| Vertical Frequency 56 Hz to 61 Hz | ||
| Input Connector HDMI IN1, HDMI IN2, DP(DisplayPort) IN, H/P, USB-C | ||
| Power input 19 V | --- 6.5 A | |
| Power consumption (Typ.) | On mode: 50 W Typ. (Outgoing condition)*Sleep Mode ≤ 0.5 W (HDMI / DP input Condition)**Off Mode ≤ 0.3 W | |
| AC/DC adaptor Type | LCAP31, LIEN CHANG ELECTRONIC ENTERPRISE productionOutput: 19 V =7:37 A | |
| Environmental Conditions | Operating Condition Temperature: 0°C to 40°C; Humidity: < 80% | |
| Storing Condition | Temperature: -20°C to 60°C; Humidity: < 85% | |
| Dimension Monitor Size (Width x Height x Depth) | ||
| Weight (Without Packaging) | With Stand | 8.4 kg |
| Without Stand | 6.5 kg | |
The specifications are subject to change without notice.
The power consumption level can be different by operating condition and monitor setting.
* The On mode power consumption is measured with LGE test standard (Full White pattern , Maximum resolution).
** In case of USB-C input, the power consumption of Sleep Mode may vary depending on the connected device.
** The monitor goes to the Sleep Mode in a couple of minutes(Max 5 minutes).
Factory Support Mode (Preset Mode, PC)
HDMI
| Display Modes (Resolution) | Horizontal Frequency(kHz) | Vertical Frequency(Hz) | Polarity(H/V) Remarks |
| 640 x 480 31.469 59.94 -/- | |||
| 800 x 600 37.879 60.317 +/+ | |||
| 1024 x 768 48.363 60 -/- | |||
| 1152 x 864 54.347 60.05 +/+ | |||
| 1280 x 720 45 60 +/+ | |||
| 1280 x 1024 63.981 60.02 +/+ | |||
| 1600 x 900 60 60 +/+ | |||
| 1920 x 1080 67.5 60 +/- | |||
| 2560 x 1440 88.79 59.95 +/- | |||
| 3840 x 2160 67.5 30 +/- | |||
| 3840 x 2160 135 60 +/- |
DisplayPort / USB-C
| Display Modes (Resolution) | Horizontal Frequency(kHz) | Vertical Frequency(Hz) | Polarity(H/V) Remarks |
| 640 x 480 31.469 59.94 -/- | |||
| 800 x 600 37.879 60.317 +/+ | |||
| 1024 x 768 48.363 60 | -/- | ||
| 1152 x 864 54.347 60.05 +/+ | |||
| 1280 x 720 45 60 | +/+ | ||
| 1280 x 1024 63.981 60.02 +/+ | |||
| 1600 x 900 60 60 | +/+ | ||
| 1920 x 1080 67.5 60 | +/- | ||
| 2560 x 1440 88.79 59.95 +/- | |||
| 3840 x 2160 66.66 30 | +/- | ||
| 3840 x 2160 133.32 60 | +/- |
Power LED
| Mode | LED Color |
| On Mode | White |
| Sleep Mode | Off |
| Off Mode | Off |

LG
Life's Good
To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit http://opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.com. This offer is valid for three (3) years from the date on which you purchased the product.
This device meets the EMC requirements for home appliances (Class B) and is intended for home usage. The model and serial number of the product are located on the back and on one side of the product. Record them below in case you ever need service.
MODEL
SERIAL







NOTEThe display may look the same for Full Wide, Original, and 1:1 options at the recommended resolution (3840 x 2160).There is no 1:1 menu on FreeSync Mode. (Go to Picture→ Game Adjust → FreeSync, to set FreeSync On or Off)
NOTEBecause this is a function to increase the sharpness of low resolution pictures, it is not recommended to use the function for normal text or for desktop icons. Doing so may result in unnecessarily high sharpness.
NOTEIf the connected device does not support ULTRA HD Deep Color, the feature may not work properly.If a problem occurs, set the HDMI ULTRA HD Deep Color option to Off.
NOTEThe USB charging function will not work while Deep Sleep Mode is enabled in standby mode.