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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. 2...
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TABLE OF CONTENTS LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. LICENSE ...................................................... OPEN SOURCE SOFTWARE N...
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EN LISH OPEN SOURCE SOFTWARE NOTICE INFORMATION The components may look different from those illustrated here. Without prior notice, all product information and specifications contained in this manual...
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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 tr...
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EN LISH Installing on a Table WARNING Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm away from When adjusting the screen height, do not place your...
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Pivot Feature 3 Rotate the monitor clockwise as shown in the figure. 27UL550 27UL55B 27BL55U The pivot feature allows the monitor to rotate 90° clockwise. 4 Complete the installation by rotating the m...
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EN LISH Using the Kensington Lock NOTE The connector for the Kensington security system is located at the back of the monitor. 27UL550 27UL55B 27BL55U For more information on installation and usage, r...
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Installing on the Wall CAUTION Install the monitor at least 100 mm away from the wall and leave about 100 mm of space at each side of the Unplug the power cord before moving or installing the monitor ...
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EN LISH Display Port Connection USING THE MONITOR Transmits digital video and audio signals from your PC to the monitor. Illustrations in this manual may differ from the actual product. Press the joys...
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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 (Display Port) to HDMI cable may cause compatibil...
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EN LISH 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....
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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. Input Exit Settings Picture Mode Sets the picture mo...
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EN LISH Quick Settings Settings > Quick Settings Description Brightness Adjusts the contrast and brightness of the screen. Contrast Adjusts the volume. Volume NOTE You can adjust Mute / Unmute by m...
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Input Settings > Input Description Input List Selects the input mode. Adjusts the aspect ratio of the screen. Full Wide Displays the video in widescreen, regardless of the video signal input. Origi...
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EN LISH Picture NOTE The Picture Mode that can be set depends on the Input signal. [Picture Mode on SDR (Non-HDR) signal] Settings > Picture Description Custom Allows the user to adjust each elemen...
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[Picture Mode on HDR signal] Settings > Picture Description Custom Allows the user to adjust each element. Vivid Optimized the screen for HDR vivid colors. Standard Optimized the screen for HDR sta...
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EN LISH Settings > Picture Description Brightness Adjusts the contrast and brightness of the screen. Contrast Sharpness Adjusts the sharpness of the screen. High Optimizes the screen for crystal cl...
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Settings > Picture Description 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 th...
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EN LISH Settings > Picture Description Mode 1, The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter Mode 2, the image becomes. Gamma Mode 3 Mod...
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General Settings > General Description Language Sets the menu screen to the desired language. Conserve energy by using luminance compensation algorithm. High Saves energy using the high-efficiency ...
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EN LISH Settings > General Description Provides sharper images when connected to a device supporting ULTRA HD Deep Color. 4K@ 60 Hz Support Format Color Depth / Chroma Sampling Resolution Frame rat...
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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 cab...
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EN LISH 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: ...
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PRODUCT SPECIFICATION 27UL550 27UL55B Color Depth 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Resolution Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V 2.0 A On...
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EN LISH Monitor Size (Width x Height x Depth) Dimensions With Stand 622.6 mm x 572.2 mm x 230.0 mm Without Stand 622.6 mm x 371.0 mm x 45.8 mm With Stand 6.0 kg Weight (Without Packaging) Without Stan...
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PRODUCT SPECIFICATION 27UL500 27UL50B Color Depth 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Resolution Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V 2.0 A On...
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EN LISH Monitor Size (Width x Height x Depth) Dimensions With Stand 622.6 mm x 460.0 mm x 209.4 mm Without Stand 622.6 mm x 371.0 mm x 74.1 mm With Stand 5.1 kg Weight (Without Packaging) Without Stan...
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PRODUCT SPECIFICATION 27BL55U Color Depth 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Resolution Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V 2.0 A On mode: 2...
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EN LISH Factory Support Mode (Preset Mode, PC) Display Port Preset Mode Horizontal Frequency (k Hz) Vertical Frequency (Hz) Polarity (H/V) Remarks 3840 x 2160 133.32 DP Preferred timing
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Preset Mode Horizontal Frequency (k Hz) Vertical Frequency (Hz) Polarity (H/V) Remarks 3840 x 2160 67.5 HDMI Preferred timing, HDMI ULTRA HD Deep Color : Off 3840 x 2160 HDMI Preferred timing, HDMI UL...
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EN LISH HDMI Timing (Video) Factory support mode Horizontal Vertical Frequency(Hz) Remarks (Preset Mode) Frequency(k Hz) 480p 31.5 720p 45.0 1080p 67.5 2160p When HDMI ULTRA HD Deep Color is set to ON
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(for 27BL55U only) This Product qualifies for ENERGY STAR® The model and serial number of the product are located on the back and on one side of the product. Changing the factory default configuration...