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Owner's Manual
IPS LED MONITOR
(LED MONITOR*)
*LG LED Monitors are LCD Monitors with LED Backlighting.
Please read the safety information carefully before using the
product.
IPS LED Monitor (LED Monitor) Model List
25UM56
34UM56
www.lg.com
Table of Contents
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Summary of Contents for LG 25UM56

  • Page 1 Owner's Manual IPS LED MONITOR (LED MONITOR*) *LG LED Monitors are LCD Monitors with LED Backlighting. Please read the safety information carefully before using the product. IPS LED Monitor (LED Monitor) Model List 25UM56 34UM56 www.lg.com...
  • Page 2: Table Of Contents

    - DVI connection Proper Posture for Using the Monitor - HDMI connection Connecting to AV Devices - HDMI connection Connecting to External Devices - Headphone port connection INSTALLING THE LG MONITOR SOFTWARE Installing The Screen Split Installing The Dual Controller...
  • Page 3: License

    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 LLC in the United States and other countries.
  • Page 4: Assembling And Preparing

    ASSEMBLING AND PREPARING ASSEMBLING AND PREPARING Product Components Please check whether all the components are included in the box before using the product. If there are missing components, contact the retail store where you purchased the product. Note that the product and components may look different from those shown here.
  • Page 5: Component And Button Description

    ASSEMBLING AND PREPARING Component and Button Description Power Indicator On: power is on Off: power is off (Power Button) Ports...
  • Page 6 ASSEMBLING AND PREPARING Component and Button Description Power Indicator On: power is on Off: power is off (Power Button) Ports...
  • Page 7: Moving And Lifting The Monitor

    ASSEMBLING AND PREPARING Moving and Lifting the Monitor CAUTION As far as possible, avoid touching the moni- When moving or lifting the monitor, follow these tor screen. This may result in damage to the instructions to prevent the monitor from being screen or some of the pixels used to create scratched or damaged and to ensure safe trans- images.
  • Page 8: Installing The Monitor

    ASSEMBLING AND PREPARING Installing the Monitor Attach the screw cover. Assembling the stand base 25UM56 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...
  • Page 9: Using The Cable Holder

    ASSEMBLING AND PREPARING Attach the screw cover. 34UM56 Place the screen face down. CAUTION Screw Cover To protect the screen from scratches, 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.
  • Page 10: Detaching The Stand Base

    ASSEMBLING AND PREPARING Detaching the stand base Remove the two screws on the back of stand body. 25UM56 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.
  • Page 11 ASSEMBLING AND PREPARING Turn the screw to the left. 34UM56 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...
  • Page 12: Installing Onto A Table

    ASSEMBLING AND PREPARING Installing onto a table Connect the adapter to the monitor, then plug the power cord into the power outlet. Lift the monitor and place it on the table in an upright position. Place at least 10 cm away from the wall to ensure sufficient ventilation.
  • Page 13: Adjusting The Angle

    ASSEMBLING AND PREPARING Adjusting the angle WARNING Place the monitor in an upright position, mount- To avoid injury to the fingers when adjusting ed on the stand base. the screen, do not hold the lower part of the monitor's frame as illustrated below. Adjust the angle of the screen.
  • Page 14: Using The Kensington Lock

    ASSEMBLING AND PREPARING Using the Kensington lock Installing the wall mount plate The Kensington security system connector is locat- This monitor supports the specification of the stan- ed at the back of the Monitor set. dard wall mount plate or compatible device. For more information on installation and usage, refer to the Kensington lock user manual or visit Place the screen face down.
  • Page 15: Installing To A Wall

    Back Cover If you use improper screw, the product might be Standard screw damaged and drop from mounted position. In this case, LG Electronics is not responsible for it. Max.8mm NOTE Wall Mount (A x B)
  • Page 16: Using The Monitor

    USING THE MONITOR USING THE MONITOR HDMI connection Connecting to a PC Transmits the digital video and audio signals from This monitor supports the *Plug and Play your PC and A/V devices to the monitor. Connect feature. your PC and AV device to the monitor with the *Plug and Play: A feature that allows you to HDMI cable as illustrated below.
  • Page 17: Connecting To Av Devices

    USING THE MONITOR Connecting to AV Devices Connecting to External Devices HDMI connection Headphone port connection Transmits the digital video and audio signals from Use the headphone port to connect a peripheral your PC and A/V devices to the monitor. Connect device to the monitor.
  • Page 18: Installing The Lg Monitor Software

    INSTALLING LG Monitor Software INSTALLING THE LG MONITOR SOFTWARE Installing The Screen Split Insert the owner's manual CD included in the product package into your PC's CD driver and install the Screen Split. The installation screen images are for reference only. The actual installation screen images may vary de- pending on the model.
  • Page 19 INSTALLING LG Monitor Software When the installation is complete, restart your The Screen Split installation starts as shown system. below. NOTE NOTE Screen Split: This program automatically If you run Screen Split, the Screen Split icon [ splits the program window as desired.
  • Page 20: Installing The Dual Controller

    INSTALLING LG Monitor Software Installing The Dual Controller Insert the owner's manual CD included in the product package into your PC's CD driver and install the Dual Controller. The installation screen images are for reference only. The actual installation screen images may vary de- pending on the model.
  • Page 21 INSTALLING LG Monitor Software When the installation is complete, restart your The Dual Controller installation starts as shown system. below. NOTE If you run Dual Controller, the Dual Controller icon ] appears in the system tray. Click the Dual Controller icon and select a layout...
  • Page 22: Customizing Settings

    CUSTOMIZING SETTINGS CUSTOMIZING SETTINGS 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. Power Indicator Joystick Button Button...
  • Page 23: Customizing Settings

    Jog joystick button down ( ) in the Volume menu will enable/disable the Mute function. Input Selects the input mode. 25UM56:HDMI 1, HDMI 2 34UM56:DVI-D, HDMI Ratio Adjusts the screen ratio. Wide Displays the video in wide-screen, regardless of the video signal input.
  • Page 24: Picture

    CUSTOMIZING SETTINGS -Picture To view the OSD menu, press the joystick button at the bottom of the monitor and then enter the Menu. Go to by moving the joystick. Picture Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to ◄...
  • Page 25 CUSTOMIZING SETTINGS P i c t u r e Picture Black Stabilizer Black Stabilizer : You can control the black contrast to have better visibility in dark Adjust scenes. Increasing the Black Stabilizer value brightens the low gray level area on the screen. (You can easily distinguish objects on dark game screens.) Reducing the Black Stabilizer value darkens the low gray level area and increases the dynamic contrast on the screen.
  • Page 26: General

    CUSTOMIZING SETTINGS -General To view the OSD menu, press the joystick but- ton at the bottom of the monitor and then enter the Menu. Go to by moving the joystick. General Configure the options following the instructions that appear in the bottom right corner. To return to the upper menu or set other menu items, move the joystick to ◄...
  • Page 27: Reset

    CUSTOMIZING SETTINGS -Reset Game To view the OSD menu, press the joystick but- ton at the bottom of the monitor and then enter the Menu. FPS 1 Go to by moving the joystick. Reset FPS 2 Configure the options following the instructions that appear in the bottom right corner.
  • Page 28: Game Mode

    CUSTOMIZING SETTINGS -Game mode Game Mode Press the joystick button on the bottom of the monitor. Go to Game mode by moving the joystick button to ▲. Gamer Configure the options following the instructions that appear in the FPS 1 bottom.
  • Page 29 CUSTOMIZING SETTINGS Each option is described below. Memu> Description Game Mode Game Mode Gamer Brightness Adjusts the color contrast and brightness of the screen. Contrast Sharpness Adjusts the sharpness of the screen. Gamma "Set your own gamma value. : Gamma 0, Gamma 1, Gamma 2 on the monitor, high gamma values display whitish images and low gamma values display blackish images.
  • Page 30: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Nothing is displayed on the screen. y Check if the power cord is correctly plugged in to the power outlet. Is the monitor's power cord plugged y Check the power cable connection and press the power button. Is the power indicator on? y Check that the connected input is enabled (Menu - Input).
  • Page 31 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.
  • Page 32: Specifications

    SPECIFICATIONS SPECIFICATIONS 25UM56 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...
  • Page 33: 34Um56

    SPECIFICATIONS SPECIFICATIONS 34UM56 LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.312 mm x 0.312 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...
  • Page 34: Hdmi Timing (Video)

    SPECIFICATIONS Factory support mode Horizontal Frequency Vertical Frequency Preset Mode Polarity (H/V) Remarks (kHz) (Hz) 720 x 400 31.468 70.08 640 x 480 31.469 59.94 640 x 480 37.5 800 x 600 37.879 60.317 800 x 600 46.875 1024 x 768 48.363 1024 x 768 60.123...
  • Page 35: Proper Posture

    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.
  • Page 36 Declaration of Conformity Trade Name: LG Model : 25UM56,34UM56 Responsible Party: LG Electronics Inc. Address : 1000 Sylvan Ave. Englewood Cliffs NJ 07632 U.S.A TEL: 201-266-2534 *above information is only for USA FCC Regulatory Make sure to read the Safety Precautions before using the product.

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34um5634um56-w.ati

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