lg 25um56 manual

The LG 25UM56 is a 25-inch UltraWide LED Monitor with 2560x1080 resolution, 21:9 aspect ratio, AMD FreeSync technology, OnScreen Control software, Reader Mode, Flicker Safe technology, Black Stabilizer, Dynamic Action Sync, and multiple connectivity options including HDMI and DisplayPort. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 25-inch UltraWide IPS display, On-Screen Display controls, HDMI port, DisplayPort, headphone jack, tilt adjustment.

Feature	Description
Screen Size	25-inch UltraWide (21:9 aspect ratio)
Resolution	2560 x 1080 Full HD
Panel Type	IPS
Refresh Rate	75Hz with AMD FreeSync
Response Time	5ms GTG
Connectivity	HDMI, DisplayPort, Headphone Out
Special Features	Black Stabilizer, Dynamic Action Sync, Reader Mode
Power Button	Turns monitor on/off
Joystick Control	Navigates OSD menu and settings
Input Selection	Switches between HDMI and DisplayPort

Installation

Unpack and inspect contents. Place on stable surface.

1. Attach stand: Align stand with monitor base and secure with provided screw.
2. Connect video sources: Use HDMI or DisplayPort cable to connect to computer or gaming console.
3. Connect audio: Use headphone jack for external speakers or headphones.
4. Plug into AC power.

WARNING! Monitor is fragile; handle with care to avoid damage. Ensure all connections are secure.

First-Time Setup

Power on monitor; adjust settings as needed.

1. Select input source: Press joystick to access OSD, select INPUT to choose HDMI or DisplayPort.
2. Adjust display settings: Use OSD to set brightness, contrast, and color temperature.
3. Enable gaming features: Access GAMER 1/GAMER 2 modes for optimized gaming performance.
4. Install OnScreen Control: Download software for easy monitor settings management.

CAUTION! Ensure stable surface; avoid placing in direct sunlight.

Specifications

• Screen Size: 25 inches UltraWide IPS.
• Resolution: 2560 x 1080 (21:9).
• Aspect Ratio: 21:9.
• Brightness: 250 cd/m².
• Contrast Ratio: 1000:1.
• Viewing Angle: 178°/178°.
• Response Time: 5ms GTG.
• Refresh Rate: 75Hz.
• Connectivity: HDMI, DisplayPort, Headphone Out.
• Power Consumption: 22W typical, 0.3W standby.

Controls and Settings

Access OSD via joystick control on bottom of monitor.

Joystick Functions: Press to enter OSD, move to navigate, press to select.

Picture: BRIGHTNESS, CONTRAST, SHARPNESS, GAMMA, COLOR TEMPERATURE. Gaming: GAMER 1/GAMER 2 modes, Black Stabilizer, Response Time, FreeSync. General: INPUT SELECT, VOLUME, RESET. Special: Reader Mode, Flicker Safe, Smart Energy Saving.

Connecting Devices

HDMI: For computers, gaming consoles, media players. DisplayPort: For high-performance computing.

1. Turn off monitor and devices before connecting.
2. Match cables to ports (HDMI to HDMI, DisplayPort to DisplayPort).
3. Select input via OSD INPUT selection.
4. For audio: Connect speakers or headphones to headphone jack.

Tip: Use high-quality cables for best performance and image quality.

Gaming Features

Optimized for gaming with AMD FreeSync and specialized modes.

1. AMD FreeSync: Reduces screen tearing and stuttering.
2. Black Stabilizer: Enhances visibility in dark scenes.
3. Dynamic Action Sync: Reduces input lag.
4. Response Time: Adjust between Faster/Fastest.
5. Crosshair: Displays aiming point in center of screen.
6. Gamer 1/Gamer 2: Pre-set gaming modes for different game types.

WARNING! Take regular breaks during extended gaming sessions.

Productivity Features

UltraWide format enhances multitasking and productivity.

1. OnScreen Control: Software for easy window management and monitor settings.
2. Screen Split: Divide screen into multiple sections (PBP/PIP).
3. Reader Mode: Reduces blue light for comfortable reading.
4. Flicker Safe: Minimizes screen flickering.
5. Smart Energy Saving: Automatically adjusts brightness to save power.

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth; for stubborn stains, use water-dampened cloth.

CAUTION! Do not use alcohol, thinner, or benzene; avoid spraying liquids directly on screen.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. Copyright © LG Electronics. Energy Star compliant. For support, visit www.lg.com or contact LG Customer Service at 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cable connection	Check power cable connection; ensure outlet is working.
No image	Input selection/cables	Check input source selection; verify cable connections.
Image flickering	Cable/refresh rate	Use high-quality cables; adjust refresh rate settings.
Poor color quality	Settings/cable	Reset color settings; check cable quality and connections.
Sound not working	Volume/connections	Check volume settings; verify headphone/speaker connections.

Reset: OSD Menu > General > Reset All.

Service: 1-800-243-0000; www.lg.com