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LG 27US550 Owner's Manual
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LG 27US550 Owner's Manual

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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.
27US500
27US550
www.lg.com
Copyright © 2024 LG Electronics Inc. All Rights Reserved.

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Summary of Contents for LG 27US550

  • Page 1 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. 27US500 27US550 www.lg.com Copyright © 2024 LG Electronics Inc. All Rights Reserved.
  • Page 2 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, HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
  • Page 3 • 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.
  • Page 4 Basic Functions Press the joystick button once with your finger Power on to turn on the monitor. 27US550 Press and hold the joystick button once with Power off your finger to turn off the monitor. CAUTION You can control the volume by moving the •...
  • Page 5 Installing on a Table Adjusting the Stand Height (27US550) • Lift the monitor and place it on the table in an upright position. Place the monitor at least 100 mm (3.94 inches) Place the monitor mounted on the stand base in an upright position.
  • Page 6 The angle of the screen can be adjusted forward or backward from -5° to 21° for a comfortable viewing 27US500 27US550 experience. (27US550) WARNING • To avoid injury to the fingers when adjusting the screen, do not hold the lower part of the monitor’ s frame as illustrated below.
  • Page 7 Pivot Feature Rotate the monitor 90° clockwise and -90° counter clockwise as shown in the figure. The pivot feature allows the monitor to rotate 90° clockwise and -90° counter clockwise. Raise the monitor to the maximum height. Adjust the angle of the monitor in the direction of the arrow as shown in the figure. Complete the installation by rotating the monitor 90°...
  • Page 8 WARNING NOTE • • Auto Pivot feature of the display is not supported. Take care when rotating the monitor if the cable is connected. • • To avoid injury when rotating the display, do not place your fingers between the display and the stand base. The screen can be rotated easily using the screenpivot shortcut key provided with your Windows operating system.
  • Page 9 Swivel stand Installing the Wall Mount Plate • Image shown may differ from your Monitor set. This monitor meets the specifications for the wall mount plate or other compatible devices. Swivel 90 degrees and adjust the angle of the Monitor set to suit your view. NOTE •...
  • Page 10 Install the monitor at least 100 mm (3.94 inches) away from the wall and leave about 100 mm (3.94 inches) A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable of space at each side of the monitor to ensure sufficient ventilation. Detailed installation instructions can be for any accidents relating to the use of non-standard screws.
  • Page 11 • 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.
  • Page 12 USING THE MONITOR Connecting to a PC • This monitor supports the *Plug and Play feature. • Illustrations in this manual may differ from the actual product. * Plug and Play: A feature that allows you to add a device to your computer without having to reconfigure Press the joystick button, go to Settings Input, and then select the input option.
  • Page 13 Connecting AV Devices Connecting Peripherals HDMI Connection Headphones Connection HDMI transmits digital video and audio signals from your AV device to the monitor. Connect peripherals to the monitor via the headphones port. NOTE NOTE • • Using a DVI to HDMI / DP (DisplayPort) to HDMI cable may cause compatibility issues. Peripheral devices are sold separately.
  • Page 14 USER SETTINGS NOTE • 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 Press the joystick button on the bottom of the monitor.
  • Page 15 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.
  • Page 16 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. Custom The user can adjust it to red, green, or blue by customization.
  • Page 17 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.
  • Page 18 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.
  • Page 19 [Picture Mode on HDR signal] Settings > Picture Description 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. Picture Mode This mode is optimized for RTS Game.
  • Page 20 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 modes. Best for Middle UCC or SD videos.
  • Page 21 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. Setting to Faster may cause image sticking.
  • Page 22 Settings > Picture Description Mode 1 The higher the gamma value, the darker the image becomes. Likewise, the lower the gamma value, the lighter the image Mode 2 becomes. Gamma Mode 3 Mode 4 If you do not need to adjust the gamma settings, select Mode 4. Set your own color temperature.
  • Page 23 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.
  • Page 24 Settings > General Description This feature disables the configuration and adjustment of menus. Enables OSD Lock. OSD Lock Disables OSD Lock. NOTE • All features are disabled except Brightness, Contrast, Volume, Input List, Aspect Ratio, OSD Lock and Information. OSD Size User can select OSD Size to Large or Small.
  • Page 25 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 on and the power LED displaying white? Check that the connected input is enabled (Settings > Input). •...
  • Page 26 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.
  • Page 27 PRODUCT SPECIFICATION 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 Sources Power Rating 19 V 2.0 A Type ADS-45SQ-19-3 19040E, manufactured by SHENZHEN HONOR ELECTRONIC, or Type ADS-45FSQ-19 19040EPG-1, manufactured by SHENZHEN HONOR ELECTRONIC, or Type ADS-45FSQ-19 19040EPK-1, manufactured by SHENZHEN HONOR ELECTRONIC, or Type ADS-45FSQ-19 19040EPCU-1, manufactured by SHENZHEN HONOR ELECTRONIC,...
  • Page 28 Monitor Size (Width x Height x Depth) 27US500 27US550 Dimensions With Stand 613.5 x 454.7 x 214.9 (mm) 24.1 x 17.9 x 8.4 (inches) 613.5 x 539.2 x 253.2 (mm) 24.1 x 21.2 x 9.9 (inches) Without Stand 613.5 x 363.5 x 45.4 (mm) 24.1 x 14.3 x 1.7 (inches)
  • Page 29 Factory Support Mode (Preset Mode, PC) HDMI Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 640 x 480 31.469 59.940 800 x 600 37.879 60.317 1024 x 768 48.363 60.004 1920 x 1080 67.500 60.000 1920 x 1080 66.587 59.934 2560 x 1440...
  • Page 30 DisplayPort Resolution Horizontal Frequency (kHz) Vertical Frequency (Hz) Polarity (H/V) Remarks 640 x 480 31.469 59.940 800 x 600 37.879 60.317 1024 x 768 48.363 60.004 1920 x 1080 67.500 60.000 1920 x 1080 66.587 59.934 2560 x 1440 88.787 59.951 3840 x 2160 67.500...
  • Page 31 Beep Guide Menu Location Menu Location Menu Location Quick Settings Input - Aspect Ratio - Just Scan 2 2 3 Picture - Picture Adjust - SUPER RESOLUTION+ - 3 2 4 2 Middle Quick Settings - Brightness Picture Picture - Picture Adjust - SUPER RESOLUTION+ - Low 3 2 4 3 Quick Settings - Brightness 1 1 1 Slider...
  • Page 32 Menu Location Menu Location Menu Location Picture - Color Adjust - Color Temp - Custom 3 4 2 1 Picture - Color Adjust - Six Color - Blue Saturation 3 4 6 6 1 Slider General - Language - Italian 4 1 5 Picture - Color Adjust - Color Temp - Warm 3 4 2 2...
  • Page 33 Menu Location General - Input Compatibility Version - 2.0 / 1.4 4 5 1 General - Input Compatibility Version - 1.4 / 1.2 4 5 2 General - Buzzer 4 6 Toggle General - OSD Lock 4 7 Toggle General - OSD Size General - OSD Size - Small 4 8 1 General - OSD Size - Large...
  • Page 34 Supplier’s Declaration of Conformity Trade Name Responsible Party LG Electronics USA, Inc. 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.

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27us500