TABLE OF CONTENTS LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. LICENSE ............2 The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of ASSEMBLING AND PREPARING ....3 HDMI Licensing Administrator, Inc.
Dual Controller Optional • If you use generic cables not certified by LG, the screen may not display or there may be image problems. • Illustrations in this document represent typical procedures, so they may look different from the actual product.
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Product and Button Description 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. •...
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Installing on a Table CAUTION • Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.94 • Unplug the power cord before moving or installing the monitor. There is risk of electric shock. inches) away from the wall to ensure sufficient ventilation.
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How to fix a clamp How to install on tables with different thickness levels After positioning the stand on the table, secure it by turning the handle. • For tables without a protrusion - The table should be less than 90 mm (3.5 inches) thick. ≤...
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CAUTION • Stands that are not fully engaged to the table may allow the monitor to wobble or fall over. 55 ~ 90 mm (2.1 inches ~ 3.5 inches) • 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.
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Swivel stand Swivel the monitor left and right within 280 degrees to fit your view.
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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 Make sure to hold and move the monitor with both hands. horizontally as follows. Max.
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Adjusting the Angle Using the Kensington Lock The connector for the Kensington security system is located at the bottom of the monitor. Adjust the angle of the screen. For more information on installation and usage, refer to the Kensington lock owner’ s manual or visit the The angle of the screen can be adjusted forward or backward from website at http://www.kensington.com.
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NOTE tilting wall mounting bracket. • A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable for any accidents relating to the use of non-standard screws. • The wall mount kit includes the installation guide and all necessary parts.
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• Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could lead to injury. Use an authorized LG wall mount and contact the local dealer or qualified personnel. • 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.
USING THE MONITOR DisplayPort Connection Transmits digital video and audio signals from your PC to the monitor. • Illustrations in this manual may differ from the actual product. NOTE Press the joystick button, go to Settings Input, and then select the input option. •...
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Connecting AV Devices Headphones Connection Connect peripherals to the monitor via the headphones port. HDMI Connection NOTE HDMI transmits digital video and audio signals from your AV device to the monitor. • Peripheral devices are sold separately. • Depending on the audio settings of the PC and external device, headphones and speaker functions may be NOTE limited.
USER SETTINGS NOTE • Your monitor’ s OSD (On Screen Display) may differ slightly from that shown in this manual. Activating the Main Menu Press the joystick button on the bottom of the monitor. Move the joystick up/down and left/right to set the options. Press the joystick button once more to exit the main menu.
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Main Menu Features Main Menu Description Input Sets input mode. Power Off Power Off Turns off the monitor. Settings Configures the screen settings. Settings Input Exit Picture Mode Sets the picture mode. Exit Exits the main menu. Picture Mode Menu Settings To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Settings.
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Quick Settings Settings > Quick Settings Description Brightness Adjusts the contrast and brightness of the screen. Contrast Volume Adjusts the volume level. NOTE • You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. Color Temp Custom The user can adjust it to red, green, or blue by customization.
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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.
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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. This mode is optimized for FPS games.It is suitable for very dark FPS games. This mode is optimized for RTS Game.
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Settings > Picture Description Picture Adjust Brightness Adjusts the color 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.
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Settings > Picture Description Game Adjust Response Time Sets a response time for displayed pictures based on the movement of the picture on the screen. For a normal environment, it is recommended that you use Fast. When there is a lot of motion, it is recommended that you use Faster. Setting to Faster may cause image sticking.
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Settings > Picture Description Color Adjust 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 becomes. Mode 3 Mode 4 If you do not need to adjust the gamma settings, select Mode 4. Color Temp Set your own color temperature.
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General Settings > General Description Language Sets the menu screen to the desired language. SMART ENERGY SAVING Conserve energy by using luminance compensation algorithm. High Saves energy using the high-efficiency SMART ENERGY SAVING feature. Saves energy using the low-efficiency SMART ENERGY SAVING feature. Disables the feature.
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Settings > General Description Buzzer This feature lets you set the sound generated from Buzzer when your monitor powers on. Enables your monitor's Buzzer. Disables your monitor's Buzzer. OSD Lock This feature disables the configuration and adjustment of menus. Enables OSD Lock. Disables OSD Lock.
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. •...
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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.
PRODUCT SPECIFICATION 34WN780 Color Depth 8-bit color is supported. Resolution Max Resolution 3440 x 1440 @ 75 Hz (HDMI) 3440 x 1440 @ 75 Hz (DP) Recommended Resolution 3440 x 1440 @ 60 Hz (HDMI) 3440 x 1440 @ 60 Hz (DP) Power Sources Power Rating 19 V...
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Dimensions Monitor Size (Width x Height x Depth) With Stand 816.5 x 612.4 x 406.4 (mm) 32.1 x 24.1 x 16 (inches) Without Stand 816.5 x 365.3 x 45.5 (mm) 32.1 x 14.3 x 1.7 (inches) Weight (Without Packaging) With Stand 10.8 (kg) 23.7 (lbs) Without Stand...
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PRODUCT SPECIFICATION 34BN780 Color Depth 8-bit color is supported. Resolution Max Resolution 3440 x 1440 @ 75 Hz (HDMI) 3440 x 1440 @ 75 Hz (DP) Recommended Resolution 3440 x 1440 @ 60 Hz (HDMI) 3440 x 1440 @ 60 Hz (DP)
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Weight (Without Packaging) With Stand 10.8 (kg) 23.7 (lbs) Without Stand 6.9 (kg) 15.1 (lbs) 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 ENERGY STAR® test standard. ** The monitor goes to the Sleep Mode in a couple of minutes(Max 5 minutes).
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Factory Support Mode (Preset Mode, PC) DisplayPort/ HDMI Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 640 x 480 31.469 59.94 720 x 480 31.47 59.94 800 x 600 37.879 60.317 1024 x 768 48.363 1152 x 864 54.347 60.05 1280 x 720...
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HDMI Timing (Video) Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) 480P 31.5 720P 1080P 67.5 2160P Power LED Mode LED Color On Mode White (For a few seconds) Sleep Mode (Standby Mode) Off Mode...
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Supplier’s Declaration of Conformity Trade Name 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.