LG 34WP88C User manual

* LG LED Monitor applies LCD screen with LED backlights.
Please read this manual carefully before operating your set and
retain it for future reference.
34WP88C
34BP88C
OWNER’S MANUAL
LED LCD MONITOR
(LED Monitor*)
www.lg.com
Copyright © 2020 LG Electronics Inc. All Rights Reserved.

2
ENGLISH
LICENSE
Each model has different licenses.Visit www.lg.com for more information on the license.
The terms HDMI and HDMI High-Definition Multimedia Interface,
and the HDMI Logo are trademarks or registered trademarks of
HDMI Licensing Administrator, Inc.
The SuperSpeed USB Trident logo is a registered trademark of USB
Implementers Forum, Inc.
MaxxAudio and additional MAXX trademarks are trademarks and/
or registered trademarks of Waves Audio Ltd.
TABLE OF CONTENTS
LICENSE ...................................................... 2
OPEN SOURCE SOFTWARE NOTICE
INFORMATION ............................................ 3
ASSEMBLING AND PREPARING .................. 3
USING THE MONITOR................................ 12
USER SETTINGS ........................................ 14
TROUBLESHOOTING ................................. 26
PRODUCT SPECIFICATION......................... 28

3
ENGLISH
OPEN SOURCE SOFTWARE NOTICE
INFORMATION
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 a period of three years after our last shipment of this product. This offer is valid to anyone in
receipt of this information.
ASSEMBLING AND PREPARING
CAUTION
•Always use genuine LG components to ensure safety and product performance.
•The product warranty will not cover damage or injury caused by the use of unauthorized components.
•It is recommended 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.
•Illustrations in this document represent typical procedures, so they may look different from the actual product.
•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.
•Do not carry the monitor upside down by just holding the 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.
NOTE
•The components may look different from those illustrated here.
•Without prior notice, all product information and specifications contained in this manual are subject to change
to improve the performance of the product.
•To purchase optional accessories, visit an electronics store or an online shopping site, or contact the retailer
from which you purchased the product.
•The power cord provided may differ depending upon the region.
Supported Drivers and Software
You can download and install the latest version from the LGE website (www.lg.com).
Drivers and Software Installation Priority
Monitor Driver Recommended
OnScreen Control Recommended
Dual Controller Optional

4
ENGLISH
Product and Button Description 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.

5
ENGLISH
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.
•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 other cables.
•Hold the bottom and side of the monitor frame firmly. Do not hold the panel itself.
•When holding the monitor, the screen should face away from you to prevent it from being scratched.
•When transporting the monitor, do not expose the monitor to shock or excessive vibration.
•When moving the monitor, keep it upright and never turn the monitor on its side or tilt it sideways.
•Disassemble and reposition the head and stand separately when moving the monitor.
CAUTION
•Avoid touching the monitor screen as much as possible.
-This may result in damage to the screen or some of the pixels used to create images.
•Standing the monitor panel up vertically may cause the monitor to fall due to the joystick and cause damage or
injury. In addition, this may cause the joystick button to malfunction.
Installing on a Table
•Lift the monitor and place it on the table in an upright position. Place the monitor at least 100mm (3.9 inches)
away from the wall to ensure sufficient ventilation.
: 100 mm (3.9 inches)

6
ENGLISH
CAUTION
•Unplug the power cord before moving or installing the monitor. There is risk of electric shock.
•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.
•Make sure the table on which the product is installed is stable and solid. A table made of fragile materials such
as glass may be damaged.
•The monitor may tilt on uneven or slanted tables.
•Installation of the stand may leave a mark on the table.
•Do not hang heavy items such as bags or clothes on the stand.
•Avoid falls by verifying that the table is large enough to support the monitor.
•Make sure to fix the stand firmly on the table.
•When installing the stand on the table, make sure the stand is fully engaged to the table so that you would not
hit your head when you get up.
•Do not use excessive force when rotating the monitor. Allowing the monitor to contact a wall may injure
persons nearby or damage the monitor.
How to fix a clamp
1 After positioning the stand on the table, secure it by turning the handle.
•For tables without a protrusion
-The table should be less than 90mm (3.5 inches) thick.
≤ 90mm (3.5 inches)
Table

7
ENGLISH
CAUTION
•Stands that are not fully engaged to the table may allow the monitor to wobble or fall over.
•Make sure the table is solid and stable enough to fully support installation of the monitor. Tables made of
fragile materials such as glass may break.
•For tables with a protrusion
-If the protrusion is located more than 95mm (3.7 inches) away from the edge of the table, install the
monitor only when a flat protrusion is located between 15mm (0.5 inches) to 90mm (3.5 inches) from the
edge of the table.
≥ 95mm
(3.7 inches)
≥ 75mm
(2.9 inches) 15mm
(0.5 inches)
How to install on tables with different thickness levels
≤ 40mm (1.5 inches)
30 ~ 65mm (1.1 inches ~ 2.5 inches)
55 ~ 90mm (2.1 inches ~ 3.5 inches)

8
ENGLISH
Swivel stand
Swivel the monitor left and right within 280 degrees to fit your view.

9
ENGLISH
Leveling the Screen
If the screen appears crooked to one side after the product has been placed in position, straighten the angle
horizontally as follows.
Adjusting the Stand Height
1 Make sure to hold and move the monitor with both hands.
Max. 130.0 mm
(5.1 inches)
WARNING
•To avoid injury when adjusting the height, do not put your hands on the stand.

10
ENGLISH
Adjusting the Angle
Adjust the angle of the screen.
The angle of the screen can be adjusted forward or backward from
-25°to25° for a comfortable viewing experience.
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.
•Be careful not to touch or press the screen area when adjusting the angle of the monitor.
•Beware of cables attached to the monitor when rotating it.
Using the Kensington Lock
For more information on installation and usage, refer to the Kensington lock owner’s manual or visit the website
at http://www.kensington.com.
Connect the monitor to a table using the Kensington security system cable.
NOTE
•The Kensington security system is optional. You can obtain optional accessories from most electronics stores.

11
ENGLISH
Installing on the Wall
This monitor meets the specifications for the wall mount plate or other compatible devices.
Install the monitor at least 100mm (3.9inches) away from the wall and leave about 100mm (3.9inches)
of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be
obtained from your local retail store. Alternatively, please refer to the manual for how to install and set up a
tilting wall mounting bracket.
: 100 mm (3.9 inches)

12
ENGLISH
USING THE MONITOR
•Illustrations in this manual may differ from the actual product.
Press the joystick button, go to Settings Input, and then select the input option.
CAUTION
•Do not press the screen for a prolonged time.This may cause image distortion.
•Do not display a still image on the screen for a prolonged time. This may cause image retention. Use a PC
screensaver if possible.
•When connecting the power cord to the outlet, use a grounded (3-hole) power strip or a grounded power
outlet.
•The monitor may flicker when turned on in an area where the temperature is low.This is normal.
•Sometimes red, green, or blue spots may appear on the screen.This is normal.
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 digital video and audio signals from your PC to the monitor.
CAUTION
•Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.
•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 digital video and audio signals from your PC to the monitor.
NOTE
•There may be no video or audio output depending on the DP (DisplayPort) version of the PC.
•If you are using a Mini DisplayPort output graphics card, use a Mini DP to DP (Mini DisplayPort to DisplayPort)
cable or gender that supports DisplayPort1.2 or 1.4. (Sold separately)

13
ENGLISH
Connecting AV Devices
HDMI Connection
HDMI transmits digital video and audio signals from your AV device to the monitor.
NOTE
•Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues.
•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
Connecting Peripherals
USB Device connection
The USB port on the product functions as a USB hub.
NOTE
•It is recommended you install all Windows Updates to keep your Windows up-to-date before connecting to the
product for use.
•Peripheral devices are sold separately.
•A keyboard, mouse, or USB device can be connected to the USB port.
•The charging speed may vary depending on the device.
•To use USB Downstream port of monitor, user must connect Upstream port of monitor to Host PC using USB C-C
or USB C-A cable.
•When the USB C-C cable is connected between Upstream port of monitor and Host PC, the Downstream port of
monitor support USB 2.0 device.
•When the USB C-A cable is connected between Upstream port of monitor and Host PC, the Downstream port of
monitor support USB 3.0 device.
However, Host PC must support USB 3.0 function.
CAUTION
CautionsWhen Using a USB Device
•A USB device with an automatic recognition program installed, or that uses its own driver, may not be
recognized.
•Some USB devices may not be supported or may not work properly.
•It is recommended to use a USB hub or hard disk drive with power supplied. (If the power supply is not
adequate, the USB device may not be recognized properly.)
Headphones Connection
Connect peripherals to the monitor via the headphones port.
NOTE
•Peripheral devices are sold separately.
•Depending on the audio settings of the PC and external device, headphones and speaker functions may be
limited.
•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
(Recommend)

14
ENGLISH
USER SETTINGS
NOTE
•Your monitor’s OSD (On Screen Display) may differ slightly from that shown in this manual.
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.
Joystick Button
Button Menu Status Description
Main menu disabled Enables the main menu.
Main menu enabled Exits the main menu.
(Holding down the button more than 3 seconds 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 features.
Main menu disabled Adjusts the monitor volume level.
Main menu enabled Enters the Settings feature.
Main menu disabled Displays the information on the current input.
Main menu enabled Turns off the monitor.
Main menu disabled Displays the information on the current input.
Main menu enabled Enters the Picture Mode feature.

15
ENGLISH
Main Menu Features
Power Off
Input
Picture Mode
Exit
Main Menu Description
Input Sets input mode.
Power Off Turns off the monitor.
Settings Configures the screen settings.
Picture Mode Sets the picture mode.
Exit Exits the main menu.
Menu Settings
1 To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Settings.
2 Move the joystick up/down and left/right to set the options.
3 To return to the upper menu or set other menu items, move the joystick to or pressing ( ) it.
4 If you want to exit the OSD menu, move the joystick to until you exit.
Quick Settings Input Picture Sound General

16
ENGLISH
Quick Settings
Settings > Quick Settings Description
Brightness
Adjusts the contrast and brightness of the screen.
Contrast
Volume
Adjusts the volume.
NOTE
•You can adjust Mute / Unmute by moving the joystick button to in the Volume menu.
Waves MaxxAudio® On MaxxAudio® by waves, recipient of a Technical GRAMMY Award® is a suite of studio-quality sound tools for a superior listening experience.
Off Disables the MaxxAudio function.
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.
Manual The user can fine-tune the color temperature.

17
ENGLISH
Input
Settings > Input Description
Input
Input List Selects the input mode.
Auto Input Switch
When automatic input switch is set to On, display will automatically switch to new input when connected.
On Enables Auto Input Switch.
Off Disables Auto Input Switch.
Aspect Ratio
Adjusts the aspect ratio of the screen.
Full Wide Displays the video in widescreen, regardless of the video signal input.
Original Displays video according to the aspect ratio of the video signal input.
NOTE
•The display may look the same for Full Wide and Original options at the recommended resolution. (3440 x 1440)
PBP Displays the screens of two input modes on one monitor.
Main/Sub Screen Change Toggles between the main screen and sub screen in PBP mode.
Main/Sub Sound Change Toggles between the audio of the main screen and sub screen in PBP mode.

18
ENGLISH
Picture
NOTE
•The Picture Mode that can be set depends on the Input signal.
[Picture Mode on SDR (Non-HDR) signal]
Settings > Picture Description
Picture Mode
Custom Allows the user to adjust each element.
Vivid Heightens contrast, brightness and sharpness to display vivid images.
HDR Effect Optimizes the screen for high dynamic range.
Reader Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu.
Cinema Optimizes the screen for video.
FPS This mode is optimized for FPS games.
RTS This mode is optimized for RTS Game.
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.
NOTE
•If the Picture Mode is changed in the DP (DisplayPort) input, the screen may flicker or the resolution of your PC screen may be affected.

19
ENGLISH
[Picture Mode on HDR signal]
Settings > Picture Description
Picture Mode
Custom Allows the user to adjust each element.
Vivid Optimized the screen for HDR vivid colors.
Cinema Optimized the screen for HDR video.
FPS This mode is optimized for FPS games.It is suitable for very dark FPS games.
RTS This mode is optimized for RTS Game.
NOTE
•HDR content may not display correctly depending onWindow10 OS settings, please check HDR On/Off settings inWindows.
•When the HDR function is turned on, the characters or picture quality may be poor according to Graphic card performance.
•While the HDR function is on, screen flickering or cracking may occur when changing the monitor input or power on/off according to Graphic card performance.

20
ENGLISH
Settings > Picture Description
Picture Adjust
Brightness Adjusts the contrast and brightness of the screen.
Contrast
Sharpness Adjusts the sharpness of the screen.
SUPER RESOLUTION+
High Optimizes the screen for crystal clear images. Best for high-definition video or games.
Middle Optimizes the screen for comfortable viewing, with images at the middle level between the low and high modes.
Best for UCC or SD videos.
Low Optimizes the screen for smooth and natural images. Best for still images or images with less movement.
Off Displays in the most common setting. Disables SUPER RESOLUTION+.
NOTE
•Because 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.
High Keeps the current contrast ratio of the screen.
Low Lowers the black levels and raises the white levels from the current contrast ratio of the screen.
DFC On Adjusts the brightness automatically according to the screen.
Off Disables the DFC feature.
This manual suits for next models
1
Table of contents
Other LG Monitor manuals

LG
LG L204WT-BF User manual

LG
LG Flatron MU-60PZ10B User manual

LG
LG UltraGear 27GR83Q-B.AWF User manual

LG
LG 27UK670P-B User manual

LG
LG 60PZ95V - MU - 60" Plasma Panel User manual

LG
LG E2242T-BN User manual

LG
LG 34WN750-B User manual

LG
LG 27HJ712C-W.AEK User manual

LG
LG 29WL500 User manual

LG
LG 65EV5C User manual