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Owner's Manual IPS LED MONITOR (LED MONITOR*) *LG LED Monitors are LCD Monitors with LED Backlighting. Please read this manual carefully before operating your set and retain it for future reference. IPS LED Monitor (LED Monitor) Model List 25UM55 25UB55...
- DVI connection HDMI Timing (Video) - DisplayPort connection Power Indicator - HDMI connection Connecting to AV Devices PROPER POSTURE - HDMI connection Proper Posture for Using the Monitor Connecting to External Devices - Headphone port connection INSTALLING LG MONITOR SOFTWARE...
LICENSE LICENSE Each model has different licenses. Visit www.lg.com for more information on the license. The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Ad- ministrator, Inc. VESA, VESA logo, DisplayPort Compliance Logo and DisplayPort Compliance Logo for dual-mode source are all registered trademarks of the Video Electronics Standards Association.
User Manual/Card Power Cord AC-DC Adapter AC-DC Adapter HDMI Cable ( Depending on the country ) ( Depending on the country ) 25UB55 29UB55 OPTIONAL ACCESSORIES DisplayPort Cable The DisplayPort cable may not Stand Base One Screw Cable Holder be available in some areas.
Hold the top and bottom of the monitor frame firmly. Do not hold the panel itself. 25UB55 29UB55 When holding the monitor, the screen should face away from you to prevent it being scratched.
ASSEMBLING AND PREPARING Installing the Monitor Attach the screw cover. Assembling the stand base 25UM55 Place the screen face down. CAUTION To protect the screen from scratches, cover the surface with a soft cloth. Check the direction of the stand body Screw Cover (front, back) and then mount the stand body onto the stand hinge.
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ASSEMBLING AND PREPARING 29UM55 Place the screen face down. Attach the screw cover. CAUTION To protect the screen from scratches, cover Screw Cover the surface with a soft cloth. Check the direction of the stand body (front, back) and then mount the stand body onto the stand hinge.
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ASSEMBLING AND PREPARING 25UB55 29UB55 Place the screen face down. Place the screen face down. CAUTION CAUTION To protect the screen from scratches, cover To protect the screen from scratches, cover the surface with a soft cloth. the surface with a soft cloth.
29UM55 NOTE The holes are used for wall mount bracket. Varies depending upon your country or model. 25UB55 Fix the Knob (Cable holder) to the Hole(Stand Body). Use one screw to fix the Cable Holder and monitor set. Close the Cable holder.
ASSEMBLING AND PREPARING Detaching the stand base Remove the two screws on the back of stand body. 25UM55 As shown in the illustration, disconnect the stand body from the stand hinge. Place the screen face down. Screws CAUTION To protect the screen from scratches, cover the surface with a soft cloth.
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ASSEMBLING AND PREPARING Turn the screw to the left. 29UM55 Pull out the Stand Base. Place the screen face down. Stand Body CAUTION To protect the screen from scratches, cover the surface with a soft cloth. Remove the screw cover. Screw cover Stand Base CAUTION...
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ASSEMBLING AND PREPARING 25UB55 29UB55 Place the screen face down. Place the screen face down. CAUTION CAUTION To protect the screen from scratches, cover To protect the screen from scratches, cover the surface with a soft cloth. the surface with a soft cloth.
ASSEMBLING AND PREPARING Detaching the stand body 29UB55 25UB55 Place the monitor's screen face down. To protect the screen from scratches, cover the surface with a soft cloth. Place the monitor's screen face down. To protect the screen from scratches, cover the Using a screwdriver, remove the four screws surface with a soft cloth.
Lift the monitor and place it on the table in an upright position. Place at least 100 mm away from the wall to ensure sufficient ventilation. 25UM55 29UM55 100 mm 100 mm 100 mm 100 mm 29UM55 25UB55 29UB55 100 mm 100 mm 100 mm 100 mm...
Stand Body Tape Locking Pin The height can be adjusted up to 120.0 mm. 25UB55 120.0 mm 29UB55 The height can be adjusted up to 130.0 mm. 29UB55 130.0 mm Press the...
ASSEMBLING AND PREPARING Adjusting the angle Place the monitor in an upright position, mount- ed on the stand base. Adjust the angle of the screen. The angle of the screen can be adjusted forwards or backwards for a comfortable viewing experience. Rear Side Front Side 29UB55...
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To avoid injury to the fingers when adjusting Be careful not to touch or press the screen the screen, do not hold the lower part of the area when adjusting the angle of the monitor. monitor's frame as illustrated below. 25UM55 29UM55 29UB55 25UB55 29UM55 29UB55...
ASSEMBLING AND PREPARING Rotate the monitor clockwise as shown in the 25UB55 figure. Pivot feature 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...
29UM55 25UM55 Wall Mount Plate 29UB55 25UB55 NOTE The wall mount plate is sold separately. For more information on installation, refer to the wall mount plate's installation guide. Be careful not to use excessive force when mounting the wall mount plate, as this can damage the monitor's screen.
Back Cover tor might be damaged internally. If you use improper screw, the product might be damaged and drop from mounted position. Wall mount Pad In this case, LG Electronics is not responsible Back Cover for it. Standard screw Max.8mm...
The monitor may flicker when turned on in an area of low temperature. This is normal. Sometimes red, green, or blue spots may ap- pear on the screen. This is normal. 25UB55 29UB55 Using a DVI to HDMI cable may cause com- patibility issues.
USING THE MONITOR DisplayPort connection Transmits the digital video and audio signals from your PC to the monitor. Connect your PC to the monitor using the DisplayPort cable as illustrated below. Press the menu button and then select the input option from the input menu.
USING THE MONITOR HDMI connection Transmits the digital video and audio signals from your PC and A/V devices to the monitor. Connect your PC and AV device to the monitor with the HDMI cable as illustrated below. Press the menu button and then select the input option from the input menu.
USING THE MONITOR Connecting to AV Devices HDMI connection Transmits the digital video and audio signals from your PC and A/V devices to the monitor. Connect your PC and AV device to the monitor with the HDMI cable as illustrated below. Press the menu button and then select the input option from the input menu.
USING THE MONITOR Connecting to External Devices Headphone port connection Use the headphone port to connect a peripheral device to the monitor. Connect as illustrated. (sold separately) 29UB55 (sold separately) 29UM55 (sold separately) NOTE For an angle plug earphone, it is difficult connect it with a peripheral device, so use a (sold separately) straight type.
Check "I accept the terms of the agreement" on the License Agreement screen and then click the [Next] button. Click the "LG Monitor Software" on the CD's main screen. When the file download window appears, click the Run button. (The file down-...
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INSTALLING LG Monitor Software The LG Monitor Software installation starts as NOTE shown below. If you run Screen Split, the Screen Split icon [ ] appears in the system tray at the right bottom of the PC screen. Right-click the Screen Split icon and select a layout you want.
CUSTOMIZING SETTINGS CUSTOMIZING SETTINGS Activating the Main Menu Navigation OSD Power Indicator Power buttons Press the Power( ) button, the navigation OSD appear. Jog the Power button left ( ), right ( ), up ( ), down ( ) to adjust the options. Press and hold the Power( ) button to exit the OSD menu.
CUSTOMIZING SETTINGS Customizing settings Menu Settings -Easy control To view the navigation OSD, press the Power button center ( Jog Power button left ( ) to go to Menu OSD . Press Power button center ( ) or Jog Power button right ( to select Easy control.
CUSTOMIZING SETTINGS -Function To view the navigation OSD, press the Power button center ( Jog Power button left ( ) to go to Menu OSD . Jog the power button up( ) or down( ) to go to Function. Press Power button center ( ) or Jog Power button right ( ) to select Function.
CUSTOMIZING SETTINGS -PBP To view the navigation OSD, press the Power button center ( Jog Power button left ( ) to go to Menu OSD . Jog the power button up( ) or down( ) to go to PBP. Press Power button center ( ) or Jog Power button right ( ) to select PBP.
CUSTOMIZING SETTINGS -Screen To view the navigation OSD, press the Power button center ( ) to go to Menu OSD . Jog Power button left ( Jog the power button up( ) or down( ) to go to Screen. Press Power button center ( ) or Jog Power button right ( ) to select Screen.
Menu > Settings Description Main Audio Main audio have three options.HDMI1, HDMI2, DisplayPort. (25UM55/29UM55) Main audio have four options.HDMI1, HDMI2, DisplayPort, Audio-In. (25UB55/29UB55) Language Sets the menu screen to the desired language. Power LED Turns the power indicator on the front side of the monitor on/off.
CUSTOMIZING SETTINGS -Reset To view the navigation OSD, press the Power button center ( Jog Power button left ( ) to go to Menu OSD . Jog the power button up( ) or down( ) to go to Reset. Press Power button center ( ) or Jog Power button ) to select Reset.
CUSTOMIZING SETTINGS Reader Settings To view the navigation OSD, press the Power button center ( Jog Power button up ( ) to go to Reader OSD. Set the options follow up the instruction appear on bottom of the screen. Each option is described below. Reader Mode Description Reader 1...
TROUBLESHOOTING TROUBLESHOOTING Nothing is displayed on the screen. Is the monitor's power cord plugged y Check if the power cord is correctly plugged in to the power outlet. Is the power indicator on? y Check the power cable connection and press the power button. Is the power indicator displaying ? y Check that the connected input is enabled (Menu - Input).
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TROUBLESHOOTING NOTE Check if the video card's resolution or frequency is within the range allowed by the monitor and set to the recommended (optimal) resolution in Control Panel > Display > Settings. Failing to set the video card to the recommended (optimal) resolution may result in blurred text, a dimmed screen, a truncated display area or misalignment of the display.
SPECIFICATIONS SPECIFICATIONS 25UM55 LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.2286 mm x 0.2286 mm Resolution Maximum Resolution 2560 x 1080 @ 60 Hz Recommended Resolution 2560 x 1080 @ 60 Hz Video Signal Horizontal Frequency 30 kHz to 90 kHz Vertical Frequency...
SPECIFICATIONS SPECIFICATIONS 25UB55 LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.2286 mm x 0.2286 mm Resolution Maximum Resolution 2560 x 1080 @ 60 Hz Recommended Resolution 2560 x 1080 @ 60 Hz Video Signal...
SPECIFICATIONS SPECIFICATIONS 29UM55 LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.2628 mm x 0.2628 mm Resolution Maximum Resolution 2560 x 1080 @ 60 Hz Recommended Resolution 2560 x 1080 @ 60 Hz Video Signal Horizontal Frequency 30 kHz to 90 kHz Vertical Frequency...
SPECIFICATIONS SPECIFICATIONS 29UB55 LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.2628 mm x 0.2628 mm Resolution Maximum Resolution 2560 x 1080 @ 60 Hz Recommended Resolution 2560 x 1080 @ 60 Hz Video Signal Horizontal Frequency 30 kHz to 90 kHz Vertical Frequency...
PROPER POSTURE PROPER POSTURE Proper Posture for Using the Monitor Adjust the screen so that you can comfortably view at a slight downward angle from your natural eye level. Take a break for approximately ten minutes every hour to reduce any fatigue caused by long-time usage.
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Make sure to read the Safety Precautions before using the product. Keep the Owner's Manual(CD) in an accessible place for future reference. The model and serial number of the SET is located on the back and one side of the SET.