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. 27UL550 27UL500 27UK500 27BL55U www.lg.com Copyright © 2018 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 ASSEMBLING AND PREPARING .................. 3 USING THE MONITOR .................................. 9 The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. USER SETTINGS ........................................
ASSEMBLING AND PREPARING CAUTION Always use genuine LG components to ensure safety and product performance. The product warranty will not cover damage or injury caused by the use of unauthorized components. 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. Illustrations in this document represent typical procedures, so they may look different from the actual product.
Moving and Lifting the Monitor Product and Button Description 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. • Place the monitor in the original box or packing material before attempting to move it. • Before moving or lifting the monitor, disconnect the power cord and all other cables. • Hold the bottom and side of the monitor frame firmly.
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 the wall to ensure sufficient ventilation. • When adjusting the screen height, do not place your hand on the stand body to avoid injury to your fingers. Adjusting the Angle 27BL55U 100 mm 100 mm 27UL500 100 mm 100 mm 100 mm 100 mm 1 Place the monitor mounted on the stand base in an upright position. 2 Adjust the angle of the screen.
Pivot Feature 3 Rotate the monitor clockwise as shown in the figure. 27UL550 27BL55U The pivot feature allows the monitor to rotate 90° clockwise. ENGLISH Head 4 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. 1 Raise the monitor to the maximum height. NOTE • Auto Pivot feature of the display is not supported.
Using the Kensington Lock 27UL550 27BL55U • The left or right side of the monitor head can be slightly rotated up or down (up to 3°). Adjust the horizontal level of the monitor head. Monitor head 27BL55U ENGLISH 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.
• For more information, please refer to the user manual for the wall mounting bracket. Installing on the Wall Install the monitor at least 100 mm away from the wall and leave about 100 mm of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be obtained from your local retail store. Alternatively, please refer to the manual for how to install and set up a tilting wall mounting bracket.
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.
Connecting AV Devices HDMI Connection ENGLISH 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 ENGLISH • 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. 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. Joystick Button Button Menu Status Description Main menu disabled Enables the main menu. Main menu enabled Exits the main menu.
Main Menu Features Main Menu ENGLISH Power Off Input Exit Description 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. Settings Picture Mode Menu Settings 1 2 3 4 To view the OSD menu, press the joystick button at the bottom 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 Description Brightness Adjusts the contrast and brightness of the screen. Adjusts the volume. Volume ENGLISH Contrast 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. Warm Sets the screen color to a reddish tone. Medium Sets the screen color between a red and blue tone. Cool Sets the screen color to a bluish tone.
Input Settings > Input Input List Description Selects the input mode. ENGLISH Adjusts the aspect ratio of the screen. 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. Just Scan The aspect ratio is not adjusted from the original. NOTE • The display may look the same for Full Wide , Original, and Just Scan options at the recommended resolution (3840 x 2160).
Picture NOTE • The Picture Mode that can be set depends on the Input 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 FPS RTS Color Weakness EBU Optimizes the screen for high dynamic range. Optimizes the screen for viewing documents. You can brighten the screen in the OSD menu. Optimizes the screen for video. This mode is optimized for FPS games.
[Picture Mode on HDR signal] Settings > Picture ENGLISH Picture Mode 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. FPS This mode is optimized for FPS games.It is suitable for very dark FPS games. RTS This mode is optimized for RTS Game.
Settings > Picture Description Brightness Contrast SUPER RESOLUTION+ 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. Best for still images or images with less movement. Off Displays in the most common setting.
Settings > Picture Description ENGLISH 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. Response Time 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.
Settings > Picture Description Gamma 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. 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. Medium Sets the screen color to between a red and blue tone.
General Settings > General Language Description Sets the menu screen to the desired language. ENGLISH Conserve energy by using luminance compensation algorithm. SMART ENERGY SAVING 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 • The value of energy saving data may differ depending on panel and panel suppliers.
Settings > General DisplayPort Version Description Set DisplayPort Version to the same version as the connected external device. (1.4, 1.2, and 1.1) To use the HDR function, set to 1.4. ENGLISH Provides sharper images when connected to a device supporting ULTRA HD Deep Color. 4K@ 60 Hz Support Format HDMI ULTRA HD Deep Color • • • • Resolution Frame rate(Hz) 3840 x 2160 59.94 60.
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 27UL500 ENGLISH Color Depth Resolution Power Sources AC/DC adaptor 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V Power Consumption On mode: 36 W Typ. (Outgoing condition)* Sleep Mode (Standby Mode) ≤ 0.5 W ** Off Mode ≤ 0.3 W 2.
Monitor Size (Width x Height x Depth) Dimensions 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 Without Stand 4.6 kg ENGLISH Weight (Without Packaging) With Stand The specifications are subject to change without notice. The symbol means alternating current, and the symbol means direct current. The power consumption level can be different by operating condition and monitor setting.
PRODUCT SPECIFICATION 27UK500 ENGLISH Color Depth Resolution Power Sources AC/DC adaptor 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V Power Consumption On mode: 36 W Typ. (Outgoing condition)* Sleep Mode (Standby Mode) ≤ 0.5 W ** Off Mode ≤ 0.3 W 2.
PRODUCT SPECIFICATION 27UL550 Resolution Power Sources AC/DC adaptor 8-bit / 10-bit color is supported. Max Resolution 3840 x 2160 @ 60 Hz Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V Power Consumption On mode: 36 W Typ. (Outgoing condition)* Sleep Mode (Standby Mode) ≤ 0.5 W ** Off Mode ≤ 0.3 W ENGLISH Color Depth 2.
Monitor Size (Width x Height x Depth) Dimensions ENGLISH Weight (Without Packaging) 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 Without Stand 4.4 kg The specifications are subject to change without notice. The symbol means alternating current, and the symbol means direct current. The power consumption level can be different by operating condition and monitor setting.
PRODUCT SPECIFICATION 27BL55U Color Depth Power Sources AC/DC adaptor Max Resolution 3840 x 2160 @ 60 Hz Recommended Resolution 3840 x 2160 @ 60 Hz Power Rating 19 V Power Consumption On mode: 24 W Typ. (ENERGY STAR® standard)* Sleep Mode (Standby Mode) ≤ 0.5 W ** Off Mode ≤ 0.3 W 2.
Factory Support Mode (Preset Mode, PC) ENGLISH 30 DisplayPort 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 -/- 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 60.02 +/+ 1600 x 900 60.00 60.00 +/+ 1920 x 1080 67.5 60 +/- 2560 x 1440 88.79 59.95 +/- 3840 x 2160 66.66 30 +/- 3840 x 2160 133.
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 -/- 1152 x 864 54.347 60.05 +/+ Remarks ENGLISH Preset Mode 1280 x 720 45.00 60.00 +/+ 1280 x 800 49.702 59.810 -/+ 1280 x 1024 63.981 60.02 +/+ 1600 x 900 60.00 60.00 +/+ 1920 x 1080 67.5 60 +/- 2560 x 1440 88.79 59.95 +/- 3840 x 2160 67.
HDMI Timing (Video) ENGLISH 32 Factory support mode (Preset Mode) Horizontal Frequency(kHz) Vertical Frequency(Hz) 480p 31.5 60 720p 45.0 60 1080p 67.
(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. Record them below in case you ever need service. Changing the factory default configuration and settings or enabling certain optional features and functionalities may increase energy consumption beyond the limits required for ENERGY Model STAR® certification. Serial No. Refer to ENERGYSTAR.gov for more information on the ENERGY STAR® program.