TABLE OF CONTENTS LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. LICENSE ............2 ASSEMBLING AND PREPARING ....3 The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
• 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. Supported Drivers and Software • 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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Adjusting the Angle Place the monitor mounted on the stand base in an upright position. 27UL550 27BL55U 27UL500 27UK500 Adjust the angle of the screen. 100 mm The angle of the screen can be adjusted forward or backward from -5° to 15° for a comfortable viewing 100 mm (3.94 inches)
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Pivot Feature Rotate the monitor clockwise as shown in the figure. 27UL550 27BL55U The pivot feature allows the monitor to rotate 90° clockwise. Head Complete the installation by rotating the monitor 90° as shown below. Stand WARNING • To avoid scratching the stand base, make sure that when rotating the monitor using the pivot feature, the stand does not make contact with the monitor.
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The wall mount plate is sold separately. • For more information on installation, refer to the wall mount plate’ s installation guide. 27UL500 27UK500 • Be careful not to apply too much force while mounting the wall mount plate as it may cause damage to the screen.
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NOTE Max. 8 mm (0.3 inches) • 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.
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 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.
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. Exit Input Settings 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 Adjusts the volume. Volume NOTE • You can adjust Mute / Unmute by moving the joystick button to in the Volume menu. The user can adjust it to red, green, or blue by customization. Custom Warm Sets the screen color to a reddish tone.
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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. Original Displays video according to the aspect ratio of the video signal input. Aspect Ratio Just Scan The aspect ratio is not adjusted from the original.
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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 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 Custom Allows the user to adjust each element. Vivid Optimized the screen for HDR vivid colors. Standard Optimized the screen for HDR standard. Cinema Optimized the screen for HDR video. This mode is optimized for FPS games.It is suitable for very dark FPS games. Picture Mode This mode is optimized for RTS Game.
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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 clear images. Best for high-definition video or games. Optimizes the screen for comfortable viewing, with images at the middle level between the low and high Middle modes.
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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 there is a lot of motion, it is recommended that you use Faster.
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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 Mode 4 If you do not need to adjust the gamma settings, select Mode 4. Set your own color temperature.
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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 SMART ENERGY SAVING feature. Saves energy using the low-efficiency SMART ENERGY SAVING feature. SMART ENERGY SAVING Disables the feature.
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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 rate(Hz) 8 bit 10 bit YCbCr 4:2:0 59.94 YCbCr 4:2:2 3840 x 2160 HDMI ULTRA HD Deep Color 60.00 YCbCr 4:4:4...
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: //www.lg.com. • Make sure to check if the graphics card supports Plug and Play function.
PRODUCT SPECIFICATION 27UL500 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: 36 W Typ. (Outgoing condition)*...
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Monitor Size (Width x Height x Depth) 622.6 mm x 460.0 mm x 209.4 mm With Stand Dimensions 24.5 inches x 18.1 inches x 8.2 inches 622.6 mm x 371.0 mm x 74.1 mm Without Stand 24.5 inches x 14.6 inches x 2.9 inches 5.1 kg (11.2 lbs) With Stand Weight (Without Packaging)
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PRODUCT SPECIFICATION 27UK500 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: 36 W Typ. (Outgoing condition)* Power Sources Power Consumption Sleep Mode ≤...
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PRODUCT SPECIFICATION 27UL550 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: 36 W Typ. (Outgoing condition)* Power Sources Power Consumption Sleep Mode ≤...
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Monitor Size (Width x Height x Depth) 622.6 mm x 572.2 mm x 230.0 mm With Stand Dimensions 24.5 inches x 22.5 inches x 9.0 inches 622.6 mm x 371.0 mm x 45.8 mm Without Stand 24.5 inches x 14.6 inches x 1.8 inches 6.0 kg (13.2 lbs) With Stand Weight (Without Packaging)
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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: 24 W Typ. (ENERGY STAR® standard)* Power Sources Power Consumption Sleep Mode ≤...
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Factory Support Mode (Preset Mode, PC) DisplayPort Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 640 x 480 31.469 59.94 800 x 600 37.879 60.317 1024 x 768 48.363 1152 x 864 54.347 60.05 1280 x 720 45.00 60.00 1280 x 800...
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HDMI Preset Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 640 x 480 31.469 59.94 800 x 600 37.879 60.317 1024 x 768 48.363 1152 x 864 54.347 60.05 1280 x 720 45.00 60.00 1280 x 800 49.702 59.810 1280 x 1024 63.981...
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HDMI Timing (Video) Factory support mode Horizontal Vertical Frequency(Hz) Remarks Frequency(kHz) (Preset Mode) 480p 31.5 720p 45.0 1080p 67.5 2160p When HDMI ULTRA HD Deep Color is set to ON...
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Supplier’s Declaration of Conformity (for 27BL55U only) Trade Name Responsible Party LG Electronics USA, Inc. Address 111 Sylvan Avenue, North Building, Englewood Cliffs, NJ 07632 E-mail lg.environmental@lge.com ® 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. Record them Changing the factory default configuration and settings or enabling certain optional features below in case you ever need service.