Owner’s Manual LED LCD MONITOR (LED Monitor*) * LG LED Monitor applies LCD screen with LED backlights. Please read this manual carefully before operating your set and retain it for future reference. 34WQ75C 34BQ75C 34WQ75X www.lg.com 34WQ73A Copyright © 2022 LG Electronics Inc. All Rights Reserved.
Table of Contents LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. ENGLISH LICENSE....................................................... 2 The terms HDMI, HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. Open Source Software Notice Information.............................................
Open Source Software Notice Information ASSEMBLING AND PREPARING ENGLISH To obtain the source code that is contained in this product, under GPL, LGPL, MPL, and other open source licenses that have the obligation to disclose source code, and to access all referred license terms, copyright notices and other relevant documents, please visit https://opensource.lge.com.
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/up/ down with your finger. ENGLISH Basic Functions / Joystick Button Power on Press the joystick button once with your finger to turn on the monitor. Power off Press and hold the joystick button once more than 3 seconds with your finger to turn off the monitor.
Moving and Lifting the Monitor •• Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.94 inches) away from the wall to ensure sufficient ventilation. 100 mm (3.94 inches) 100 mm (3.94 inches) 100 mm (3.94 inches) ENGLISH 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.
Adjusting the Stand Height Adjusting the Angle 1 Place the monitor mounted on the stand base in an upright position. 2 Handle the monitor with both hands for safety. 1 Place the monitor mounted on the stand base in an upright position. 2 Adjust the angle of the screen. ENGLISH Max. 110.0 mm (4.3 inches) The angle of the screen can be adjusted forward or backward from -5° to 20° for a comfortable viewing experience.
Using the Kensington Lock Installing the Wall Mount Plate The connector for the Kensington security system is located at the back of the monitor. 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. This monitor meets the specifications for the wall mount plate or other compatible devices.
To 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. ENGLISH Wall Mount (mm) Standard screw Number of screws Wall Mount Plate (Optional) 100 x 100 M4 x L10 4 LSW 149 CAUTION •• Unplug the power cord before moving or installing the monitor to avoid electric shock.
USING THE MONITOR 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.
ENGLISH 10 Connecting LAN (34WQ75C,34BQ75C,34WQ75X) Connecting AV Devices LAN connection HDMI Connection Connect the router or switch to the monitor. HDMI transmits digital video and audio signals from your AV device to the monitor. Note •• The LAN cable is sold separately. •• The following LAN cable type can be used: Standard: IEEE 802.3 ETHERNET •• Connect the LAN cable and the peripheral devices to use the monitor. -- In order to use Ethernet in the PC, the USB-C cable must be connected to the PC.
Connecting Peripherals USB Device connection 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.
USER SETTINGS Note ENGLISH •• Your monitor’s OSD (On Screen Display) may differ slightly from that shown in this manual. •• When Beep Guide is activated, pressing the joystick button will take you to Settings right away. Activating the Main Menu 1 Press the joystick button on the right back 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.
Main Menu Features Main Menu Input Exit 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. ENGLISH Power Off Description Picture Mode Menu Settings 1 2 3 4 To view the OSD menu, press the joystick button on the right back of the monitor and then enter the Settings. Move the joystick up/down and left/right to set the options.
Quick Settings Settings > Quick Settings Brightness ENGLISH Contrast Description Adjusts the contrast and brightness of the screen. Adjusts the volume. Volume Note •• You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. Color Temp Waves MaxxAudio® (34WQ75C/34BQ75C/34WQ75X) 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.
Input Settings > Input Description Input List Selects the input mode. On Enables Auto Input Switch. Off Disables Auto Input Switch. ENGLISH When automatic input switch is set to On, display will automatically switch to new input when connected. Auto Input Switch Adjusts the aspect ratio of the screen. Input Aspect Ratio 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.
Picture Note •• The Picture Mode that can be set depends on the Input signal. ENGLISH [Picture Mode on SDR (Non-HDR) signal] Settings > Picture Picture Mode Description Custom Allows the user to adjust each element. Vivid Heightens contrast, brightness and sharpness to display vivid images. HDR Effect Reader Cinema Optimizes the screen for high dynamic range. Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu.
[Picture Mode on HDR signal] Settings > Picture 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. ENGLISH Picture Mode Description Note •• HDR content may not display correctly depending on Window10 OS settings, please check HDR On/Off settings in Windows.
Settings > Picture Description Brightness Contrast ENGLISH Sharpness SUPER RESOLUTION+ Adjusts the contrast and brightness of the screen. Adjusts the sharpness of the screen. 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.
Settings > Picture Description Response Time Game Adjust Black Stabilizer Faster Sets the response time to faster. Fast Sets the response time to fast. Normal Sets the response time to normal. Off Does not use the response time improvement feature. 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.
Settings > Picture Description Gamma Mode 1, Mode 2, The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image Mode 3 becomes. ENGLISH Mode 4 If you do not need to adjust the gamma settings, select Mode 4. Set your own color temperature. Color Temp Color Adjust Red/Green/Blue Custom The user can adjust it to red, green, or blue by customization. Warm Sets the screen color to a reddish tone.
Sound (34WQ75C/34BQ75C/34WQ75X) Settings > Sound Description Adjusts the volume level. Waves MaxxAudio® Note •• You can adjust Mute / Unmute by moving the joystick button to▼in the Volume menu. On MaxxAudio® by waves, recipient of a Technical GRAMMY Award® is a suite of studio-quality sound tools for a superior listening experience. Off ENGLISH Volume Disables the MaxxAudio function.
General Settings > General Language ENGLISH USB Selection Description Sets the menu screen to the desired language. Select the USB upstream cable connection port to use USB hub of the monitor. Conserve energy by using luminance compensation algorithm. High SMART ENERGY SAVING Saves energy using the high-efficiency SMART ENERGY SAVING feature. Low Saves energy using the low-efficiency SMART ENERGY SAVING feature. Off Disables the feature.
Settings > General Description You can customise the main menu to access your preferred menu easily. PBP Displays the screens of two input modes on one monitor. Picture Mode Sets the picture mode. KVM Switch Select the USB upstream cable connection port to use USB hub of the monitor. ENGLISH User-defined Key This feature disables the configuration and adjustment of menus. OSD Lock Information On Enables OSD Lock. Off Disables OSD Lock.
TROUBLESHOOTING ENGLISH 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 (Settings > Input).
Do you see an "Unrecognized monitor, Plug and 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 graphics card supports Plug and Play function. Are images displayed without sound? •• Make sure that the headphone port connections are made properly. •• Try increasing the volume with the joystick. •• Set the audio output of the PC to the monitor you are using.
PRODUCT SPECIFICATION ENGLISH Color Depth 10-bit color is supported. Max Resolution Resolution Power Sources Recommended Resolution 3440 x 1440 @ 60 Hz DP / USB-C / HDMI (2.0) 3440 x 1440 @ 60 Hz HDMI (1.4) 3440 x 1440 @ 50 Hz Power Rating 100-240V ~ 50/60 Hz 2.1 A Power Consumption On mode: 48 W Typ. (Outgoing condition) * Sleep Mode (Standby Mode) ≤ 0.5 W (HDMI / DP input Condition) ** Off Mode ≤ 0.
Factory Support Mode (Preset Mode, PC) DisplayPort / USB-C Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) 640 x 480 31.469 59.94 -/- 800 x 600 37.879 60.317 +/+ 1024 x 768 48.363 60 -/- 1920 x 1080 66.587 59.934 +/- 1720 x 1440 88.739 59.92 +/- 3440 x 1440 88.841 59.
HDMI ENGLISH 28 Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) 640 x 480 31.469 59.94 -/- 800 x 600 37.879 60.317 +/+ 1024 x 768 48.363 60 -/- 1920 x 1080 66.587 59.934 +/- 1720 x 1440 88.739 59.92 +/- 3440 x 1440 73.631 49.953 +/- 3440 x 1440 88.841 59.
HDMI Timing (Video) Horizontal Frequency(kHz) Vertical Frequency(Hz) 480p 31.5 60 720p 45.0 60 1080p 67.
Beep Guide (34WQ75C/34BQ75C/34WQ75X) Menu Menu Location ENGLISH Quick Settings 1 Input (PBP Off) - Input List - HDMI 2 212 Quick Settings - Brightness 11 Input (PBP Off) - Input List - DisplayPort 213 Quick Settings - Brightness 1 1 1 Slider Input (PBP Off) - Input List - USB-C 214 12 Input (PBP Off) - Auto Input Switch 2 2 Toggle Quick Settings - Contrast 30 Location Quick Settings - Contrast 1 2 1 Slider Input (PBP Off) - Aspect Ratio 23 Quick Settings - Volume 13 Input (PBP O
Menu Menu Location Menu Location Input (PBP On) - KVM Switch 26 Picture - Picutre Adjust - SUPER RESOLUTION+ - Off 3244 Picture - Color Adjust - Color Temp - Cool 3424 Picture 3 Picture - Picutre Adjust - Black Level 325 Picture - Color Adjust - Color Temp - Manual 3425 Picture - Picture Mode 31 Picture - Picutre Adjust - Black Level - High 3251 Picture - Color Adjust - Color Temp - Manual 3 4 2 5 1 Slider Picture - Picture Mode - Custom 311 Picture - Picutre Adjust - Black Level -
Menu ENGLISH 32 Location Menu Location Menu Location Picture - Picture Reset - No 351 General - Language - Japanese 5 1 16 General - Automatic Standby - 4H 553 Picture - Picture Reset - Yes 352 General - Language - Korean 5 1 17 General - Automatic Standby - Off 554 52 General - Input Combaility Version 56 Sound 4 General - USB Selection Sound - Volume 41 General - USB Selection - HDMI 1 521 General - Input Combaility Version - 2.0/1.
(34WQ73A) Menu Location Menu Location Menu Location 1 Input (PBP Off) - Input List - DisplayPort 213 Input (PBP On) - Input List - Sub Input List - USB-C 2124 11 Input (PBP Off) - Input List - USB-C 214 Input (PBP On) - Aspect Ratio 22 Quick Settings - Brightness 1 1 1 Slider Input (PBP Off) - Auto Input Switch 2 2 Toggle Input (PBP On) - Aspect Ratio - Main Aspect Ratio 221 Quick Settings - Contrast 12 Input (PBP Off) - Aspect Ratio 23 2211 Quick Settings - Contrast 1 2 1 Slider
Menu Location Location Menu Location ENGLISH Picture - Picture Mode - Vivid 312 Picture - Picutre Adjust - DFC 3 2 6 Toggle Picture - Color Adjust - Red 3 4 3 1 Slider Picture - Picture Mode - HDR Effect 313 Picture - Game Adjust 33 Picture - Color Adjust - Green 344 Picture - Picture Mode - Reader 314 Picture - Game Adjust - Response Time 331 Picture - Color Adjust - Green 3 4 4 1 Slider Picture - Picture Mode - Cinema 315 Picture - Game Adjust - Response Time - Faster 3311 Pict
Menu Location Menu Location Menu Location 411 General - USB Selection - HDMI 2 - USB-C 4222 General - User-defined Key - Picutre Mode 482 General - Language - German 412 General - USB Selection - DisplayPort 423 General - User-defined Key - KVM Switch 483 General - Language - French 413 General - USB Selection - DisplayPort - USB-B 4231 General - OSD Lock 4 9 Toggle General - Language - Spanish 414 General - USB Selection - DisplayPort - USB-C 4232 General - Information 4 10 Gen
Supplier’s Declaration of Conformity Trade Name Responsible Party Address E-mail LG LG Electronics USA, Inc. 111 Sylvan Avenue, North Building, Englewood Cliffs,NJ 07632 lg.environmental@lge.com 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 No.
