LG 231 User English Manual

The LG 231 is a high-performance monitor featuring advanced display technology, multiple connectivity options, and user-friendly controls. This comprehensive manual covers all aspects of setup, operation, and maintenance to ensure optimal performance and longevity of your LG 231 monitor.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Display Modes 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-resolution LCD panel, multiple input ports, ergonomic stand, and intuitive OSD controls.

Feature	Description
Screen Size	23-inch IPS LCD panel
Resolution	1920 x 1080 Full HD
Input Ports	HDMI, DisplayPort, VGA, DVI
Response Time	5ms GTG
Refresh Rate	60Hz
Brightness	250 cd/m²
Contrast Ratio	1000:1 (static)
Viewing Angles	178°/178°
Color Support	16.7 million colors
Power Consumption	Typical 25W, Standby <0.5W

Installation

Unpack and inspect all contents carefully. Ensure you have all components before proceeding.

Attach stand to monitor: Align stand with base and secure with provided screws.
Place on stable surface: Ensure the surface can support the monitor's weight.
Connect power cable: Plug the power cord into the monitor and wall outlet.
Connect video source: Use appropriate cable (HDMI, DisplayPort, VGA, or DVI).

WARNING! Monitor is heavy; use proper lifting technique. Do not place on unstable surfaces.

First-Time Setup

Power on the monitor and configure initial settings for optimal viewing experience.

Power connection: Connect to AC power and press power button.
Input selection: Press INPUT button to select appropriate source.
Display adjustment: Use OSD menu to adjust brightness, contrast, and color.
Resolution setup: Ensure computer outputs 1920x1080 resolution.
Ergonomic positioning: Adjust tilt and height for comfortable viewing.

CAUTION! Handle with care during setup to avoid damage to screen.

Specifications

Model: LG 231
Display Type: IPS LCD
Screen Size: 23 inches diagonal
Aspect Ratio: 16:9 widescreen
Native Resolution: 1920 x 1080 at 60Hz
Pixel Pitch: 0.265mm
Color Gamut: 72% NTSC
Input Signals: Analog RGB, Digital
Power Supply: 100-240V AC, 50/60Hz
Operating Temperature: 0°C to 40°C
Dimensions (WxHxD): 547.2 x 418.5 x 205mm
Weight: 3.2kg (without stand)

Controls and Settings

Access OSD menu using front panel buttons or remote control (if applicable).

Front Panel Controls: Power button, Menu/Enter, Auto/Select, Volume/-, Brightness/+, Input Select

OSD Menu Options: Picture Mode, Brightness, Contrast, Sharpness, Color Temperature, Input Select, Setup, Reset

Picture Settings: Custom, Vivid, Standard, Eco, Cinema, Game modes. Color Settings: Cool, Medium, Warm temperature. Advanced Settings: Response Time, Dynamic Contrast, Super Resolution.

Connecting Devices

Multiple input options for various devices including computers, gaming consoles, and media players.

Computer connection: Use HDMI, DisplayPort, VGA, or DVI cables.
Gaming console: Connect via HDMI for best quality.
Media players: HDMI or VGA connections supported.
Audio connection: Use audio-out jack for external speakers.

Tip: Use digital connections (HDMI/DisplayPort) for best image quality.

Display Modes

Various preset modes optimized for different content types and usage scenarios.

Standard Mode: Balanced settings for general use.
Vivid Mode: Enhanced brightness and saturation for vibrant images.
Cinema Mode: Optimized for movie viewing with warm colors.
Game Mode: Reduced input lag and enhanced contrast for gaming.
Eco Mode: Reduced power consumption with dimmer backlight.
Reading Mode: Reduced blue light for comfortable text reading.
Custom Mode: User-defined settings for personal preference.

WARNING! Avoid using maximum brightness for extended periods to prevent image retention.

Accessibility Features

Built-in features to enhance usability for users with different needs.

High Contrast Mode: Enhanced visibility for visually impaired users. Screen Reader Compatibility: Works with popular screen reading software. Keyboard Navigation: Full OSD control via keyboard shortcuts. Color Adjustment: Custom color settings for color blindness.

Care & Cleaning

Proper maintenance ensures long-term performance and display quality.

Unplug monitor before cleaning. Use microfiber cloth lightly dampened with water. Gently wipe screen in circular motion. For stubborn stains, use approved LCD cleaning solution.

CAUTION! Never use alcohol, ammonia, or abrasive cleaners. Do not spray liquids directly on screen.

Regulatory Information

FCC Compliance: Class B digital device compliant with Part 15 of FCC rules. Energy Star Certified: Meets energy efficiency standards. RoHS Compliant: Free of hazardous substances. EPEAT Registered: Environmental performance rating. Copyright © 2025 LG Electronics. All rights reserved. For technical support, visit www.lg.com or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cable disconnected	Check power connections; ensure outlet is working.
No display	Input source incorrect	Press INPUT button to select correct source; check cable connections.
Fuzzy image	Resolution mismatch	Set computer to 1920x1080 resolution; run auto-adjust.
Color issues	Color settings incorrect	Reset color settings; check cable for damage.
Dead pixels	Manufacturing defect	Contact LG support for warranty service.
Flickering screen	Refresh rate issue	Set refresh rate to 60Hz; check video cable.

Reset: Menu > Setup > Reset to Factory Defaults

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