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. 28MQ780 www.lg.com Copyright 2021 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS ENGLISH LICENSE..........................................................3 OPEN SOURCE SOFTWARE NOTICE INFORMATION................................................4 ASSEMBLING AND PREPARING......................4 USING THE MONITOR....................................16 USER SETTINGS............................................20 TROUBLESHOOTING.....................................27 PRODUCT SPECIFICATION.............................
LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. ENGLISH The terms HDMI, 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.
ENGLISH 4 OPEN SOURCE SOFTWARE NOTICE INFORMATION ASSEMBLING AND PREPARING To obtain the source code under GPL, LGPL, MPL, and other open source licenses, that is contained in this product, please visit https://opensource.lge.com. In addition to the source code, all referred license terms, warranty disclaimers and copyright notices are available for download.
NOTE Product and Button Description ENGLISH •• 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.
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 (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 5 seconds with your finger to turn off the monitor. (Volume control): You can control the volume by moving the joystick button left/right. : Enter the [Accessibility] menu.
CAUTION •• Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.9 inches) away from the wall to ensure sufficient ventilation. ENGLISH •• 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.
CAUTION ENGLISH 8 •• 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.
CAUTION ≥ 95 mm (3.7 inches) ≥ 75 mm (2.9 inches) ENGLISH •• 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 95 mm(3.7 inches) away from the edge of the table, install the monitor only when a flat protrusion is located between 10mm(0.
Swivel stand Pivot Feature Your monitor mount lets you adjust the monitor viewing angle. The pivot feature allows the monitor to rotate 90 ° counter-clockwise. Table ENGLISH Monitor’s head ±335° ±335° Table WARNING •• When using the Pivot function, do not rotate the monitor too fast or with excessive force. The table may be scratched by contact with the monitor’s head.
1 Raise the monitor up to the maximum height. 3 Rotate the monitor counter-clockwise as shown in the figure. ENGLISH 2 Adjust the angle of the monitor in the direction of the arrow as shown in the figure. 4 Complete the installation by rotating the monitor 90 ° as shown in the figure.
Leveling the Screen Adjusting the Stand Height If the screen appears crooked to one side after the product has been placed in position, straighten the angle horizontally as follows. 1 Make sure to hold and move the monitor with both hands. ENGLISH Max. 130.0 mm (5.1 inches) WARNING •• To avoid injury when adjusting the height, do not put your hands on the stand.
Adjusting the Angle 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. ENGLISH Adjust the angle of the screen. The angle of the screen can be adjusted forward or backward from -25 ° to 25 ° for a comfortable viewing experience.
CAUTION •• Leave enough slack in cable to allow full range of motion. •• To avoid the potential to pinch cables it is important to follow the routing instructions in this manual. Failure to follow these instructions may result in equipment damage or personal injury. Installing on the Wall ENGLISH This monitor meets the specifications for the wall mount plate or other compatible devices.
Installing the Wall Mount Plate CAUTION 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. 100 x 100 (3.9 x 3.9) Standard screw M4 x L10 Number of screws 4 Wall Mount Plate (Optional) LSW149 ENGLISH Wall Mount (mm/ inches) •• Unplug the power cord before moving or installing the monitor to avoid electric shock.
USING THE MONITOR ENGLISH •• 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 •• If you use generic cables not certified by LG, the screen may not display or there may be image noises. •• 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.
Connecting to a PC •• This monitor supports the * DisplayPort Connection feature. HDMI Connection Transmits digital video and audio signals from your PC to the monitor. CAUTION NOTE •• There may be no video or audio output depending on the DP (DisplayPort) version of the PC. •• Make sure to use the supplied DisplayPort cable of the product. Otherwise, this may cause the device to malfunction.
ENGLISH Connecting AV Devices Connecting Peripherals HDMI Connection USB Device connection HDMI transmits digital video and audio signals from your AV device to the monitor. The USB port on the product functions as a USB hub. 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.
HDMI/DP (DisplayPort) Input Headphones Connection Peripheral devices connected to the USB IN port can be controlled from the PC. Connect peripherals to the monitor via the headphones port. NOTE To use USB C-A cable PC Monitor (sold separately) ENGLISH To use USB 3.0, connect the USB C-A cable from the monitor to your PC. •• Peripheral devices are sold separately. •• Depending on the audio settings of the PC and external device, headphones and speaker functions may be limited.
USER SETTINGS Main Menu Features NOTE ENGLISH A •• 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 BB 1 Press the joystick button on the bottom of the monitor. 2 Move the joystick up/down and left/right to set the options. EE CC D 3 Press the joystick button once more to exit the main menu.
[Quick 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. [Settings] > [Quick Settings] •• [Brightness]: Adjusts the brightness of the screen. •• [Auto Brightness]: Optimizes the brightness automatically for surrounding illuminance. •• [Contrast]: Adjusts the contrast of the screen. •• [Volume]: Adjusts the volume level.
[Input] ENGLISH [Settings] > [Input] •• [Input List]: Selects the input mode. •• [Auto Input Switch]: When [Auto Input Switch] is set to [On], display will automatically switch to new input when connected. •• [Aspect Ratio]: Adjusts the aspect ratio of the screen. The display may look the same for [Full Wide], [Original], and [Just scan] options at the recommended resolution (2560 x 2880). -- [Full Wide]: Displays the video in widescreen, regardless of the video signal input.
[Picture] •• The [Picture Mode] that can be set depends on the Input signal. •• 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. •• HDR content may not display correctly depending on OS settings, please check HDR On/Off settings in Windows or Mac OS. •• When the HDR function is turned on, the characters or picture quality may be poor according to Graphic card performance.
ENGLISH 24 [Settings] > [Picture] > [Picture Adjust] •• [Brightness]: Adjusts the brightness of the screen. •• [Auto Brightness]: Optimizes the brightness automatically for surrounding illuminance. •• [Contrast]: Adjusts the contrast of the screen. •• [Sharpness]: Adjusts the sharpness of the screen. •• [SUPER RESOLUTION+]: 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.
[Settings] > [Picture] > [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. -- [Mode 4]: If you do not need to adjust the gamma settings, select [Mode 4]. •• [Color Temp]: Set your own color temperature. -- [Custom]: The user can customize the red, green and blue color. -- [Warm]: Sets the screen color to a reddish tone.
[General] ENGLISH 26 [Settings] > [General] •• [Language]: Sets the menu screen to the desired language. •• [USB Selection]:Select the USB upstream cable connection port to use USB hub of the monitor. •• [SMART ENERGY SAVING]: Conserve energy by using luminance compensation algorithm. -- [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 feature.
NOTE 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 ([Settings] > [Input]).
Screen display is unstable and shaky. / Images displayed on the monitor leave shadow trails. ENGLISH •• 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. -- 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.
PRODUCT SPECIFICATION Color Depth: •• 8-bit/ 10-bit color is supported. Resolution •• 2560 x 2880 @ 60 Hz (HDMI / DP / USB-C) Environmental Conditions •• Operating Conditions -- Temperature: 0 °C to 40 °C (32 °F to 104 °F) -- Humidity: Less than 80 % •• Storing Conditions -- Temperature: -20 °C to 60 °C (-4 °F to 140 °F) -- Humidity: Less than 85 % means direct current. ENGLISH Specifications are subject to change without notice.
Support Mode (Preset Mode, DisplayPort / USB-C) ENGLISH 30 Resolution 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 +/- 2560 x 1440 88.79 59.95 +/- 2560 x 2880 177.67 59.
(Preset Mode, HDMI) 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 +/- 2560 x 1440 88.79 59.95 +/- 2560 x 2880 87.59 29.99 +/+ 2560 x 2880 185.42 59.97 +/+ Remarks ENGLISH Resolution PBP mode HDMI 2.
HDMI Timing (Video) ENGLISH 32 Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz) 480p 31.5 60 720p 45 60 1080p 67.
Beep Guide Menu Menu Location Location Menu Location Input (PBP Off) - PBP 24 Input (PBP On) - PBP - Off - HDMI 2 2412 Input (PBP Off) - PBP - Off 241 Input (PBP On) - PBP - Off - DisplayPort 2413 1 Input (PBP Off) - PBP - PBP(1:1) 242 Input (PBP On) - PBP - Off - Thunderbolt 2414 Quick Settings - Brightness 11 Input (PBP Off) - PBP - PBP(5:9) 243 Input (PBP On) - PBP - On 242 Quick Settings - Brightness 1 1 1 Slider Input (PBP Off) - Main/Sub Screen Change 25 Input (PBP On) - M
Menu ENGLISH 34 Location Menu Location Picture - Picture Adjust - SUPER RESOLUTION+ - Low 3253 Picture - Color Adjust - Color Temp - Manual 3425 Picture - Picture Adjust - SUPER RESOLUTION+ - Off 3254 Picture - Color Adjust - Color Temp - Manual 3 4 2 5 1 Slider Picture - Picture Adjust - Black Level 326 Picture - Color Adjust - Red 343 Picture - Picture Adjust - Black Level - High 3261 Picture - Color Adjust - Red Picture - Picture Adjust - Black Level - Low 3262 Picture - Color Adjus
Menu Location 423 General - Deep Sleep Mode 4 3 Toggle General - Power LED 4 4 Toggle General - Automatic Standby 45 General - Automatic Standby - 8H 451 General - Automatic Standby - 6H 452 General - Automatic Standby - 4H 453 General - Automatic Standby - Off 454 General - DisplayPort Version 46 General - DisplayPort Version - 1.4 461 General - DisplayPort Version - 1.
Supplier's Declaration of Conformity Trade Name LG Responsible Party LG Electronics USA, Inc. Address 111 Sylvan Avenue, North Building, Englewood Cliffs, NJ 07632 E-mail 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.
