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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

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Summarization of Contents

LG Monitor Assembling and Preparing
Product Components Overview
Lists and describes the components included in the product box for setup.
LG Monitor Assembling and Preparing
Component and Button Description (25UM56)
Details the components and buttons of the 25UM56 monitor model.
LG Monitor Assembling and Preparing
Component and Button Description (34UM56)
Details the components and buttons of the 34UM56 monitor model.
LG Monitor Assembling and Preparing
Moving and Lifting the Monitor Safely
Provides instructions and cautions for safely moving and lifting the monitor.
LG Monitor Assembling and Preparing
Assembling the Stand Base (25UM56)
Step-by-step guide to assemble the monitor's stand base for the 25UM56 model.
LG Monitor Assembling and Preparing
Assembling the Stand Base (34UM56)
Step-by-step guide to assemble the monitor's stand base for the 34UM56 model.
Using the Cable Holder
Instructions on how to use the cable holder for cable management.
LG Monitor Assembling and Preparing
Detaching the Stand Base (25UM56)
Instructions for detaching the stand base from the 25UM56 monitor.
LG Monitor Assembling and Preparing
Detaching the Stand Base (34UM56)
Instructions for detaching the stand base from the 34UM56 monitor.
LG Monitor Assembling and Preparing
Installing onto a Table
Guide on how to place and connect the monitor on a table for optimal ventilation.
LG Monitor Assembling and Preparing
Adjusting the Screen Angle
Instructions on how to adjust the monitor's screen angle for a comfortable viewing experience.
LG Monitor Assembling and Preparing
Kensington Lock Usage
Information on using the Kensington security system connector for theft prevention.
Wall Mount Plate Installation
Guide on attaching a wall mount plate to the monitor for wall installation.
LG Monitor Assembling and Preparing
Installing to a Wall
Details on safely mounting the monitor to a wall using a bracket and VESA standards.
LG Monitor Using the Monitor
PC Connectivity: DVI and HDMI
How to connect the monitor to a PC using DVI and HDMI cables.
LG Monitor Using the Monitor
Connecting AV Devices via HDMI
Connecting AV devices to the monitor using HDMI for video and audio signals.
Headphone Port Connection
How to connect headphones or other devices to the monitor's headphone port.
LG Monitor Installing Software
Installing Screen Split Software
Guide to installing the Screen Split software for window management.
LG Monitor Installing Software
Completing Screen Split Installation
Completing the Screen Split software installation and initial usage.
LG Monitor Installing Software
Installing Dual Controller Software
Guide to installing the Dual Controller software for multi-monitor setups.
LG Monitor Installing Software
Completing Dual Controller Installation
Completing the Dual Controller software installation and initial usage.
LG Monitor Customizing Settings
Activating and Navigating the Main Menu
Steps to activate and navigate the monitor's main OSD menu using the joystick.
LG Monitor Customizing Settings
Quick Settings Adjustment
Adjusting basic settings like brightness, contrast, volume, input, and ratio via Quick Settings.
LG Monitor Customizing Settings
Picture Mode and Game Mode Settings
Configuring picture modes (Reader, Photo, Cinema) and game modes (Gamer, FPS, RTS).
LG Monitor Customizing Settings
Advanced Picture Adjustments
Detailed adjustments for Black Stabilizer, Sharpness, Response Time, Color, and Six Color settings.
LG Monitor Customizing Settings
General Settings
Settings related to language, energy saving, DAS Mode, power LED, and OSD lock.
LG Monitor Customizing Settings
Resetting Monitor Settings
Instructions on how to reset monitor settings to their default values.
LG Monitor Customizing Settings
Game Mode Configuration
How to access and configure specific game mode presets like Gamer, FPS, and RTS.
LG Monitor Customizing Settings
Game Mode Detailed Options
Detailed options within Game Mode including Gamer, FPS, RTS and their parameters.
LG Monitor Troubleshooting
Screen Display Issues
Solutions for when the monitor screen shows no display or has connection problems.
LG Monitor Troubleshooting
Display Color and Image Anomalies
Troubleshooting image sticking, abnormal colors, and screen spots.
LG Monitor Specifications
25UM56 Model Specifications
Technical specifications for the 25UM56 monitor model, including screen, resolution, and signal.
LG Monitor Specifications
34UM56 Model Specifications
Technical specifications for the 34UM56 monitor model, including screen, resolution, and signal.
LG Monitor Specifications
Factory Support Modes
Table of factory support modes, including resolution and frequencies.
HDMI Timing (Video)
Table listing HDMI timing details for different video presets.
Power Indicator Guide
Description of LED colors for different power states (On, Sleep, Off).
LG Monitor Proper Posture
Using the Monitor Correctly
Guidelines for maintaining correct posture and usage habits for the monitor.

Table of Contents