LG LH-CX247 Series Manual

The LG LH-CX247 Series is a versatile 24-inch LED monitor designed for both professional and personal use, featuring Full HD resolution, HDMI and DisplayPort connectivity, AMD FreeSync technology, on-screen control software, flicker-safe technology, reader mode, black stabilizer, dynamic action sync, and crosshair display. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

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

Features at a Glance

Key components: 24-inch LED panel with Full HD resolution, On-Screen Control software, multiple connectivity ports, and ergonomic stand.

Feature	Description
Display Size	24-inch LED Backlit
Resolution	1920 x 1080 (Full HD)
Refresh Rate	75Hz with AMD FreeSync
Response Time	5ms (GTG)
Connectivity	HDMI, DisplayPort, D-Sub (VGA)
Ergonomic Stand	Tilt, height, pivot, and swivel adjustment
Eye Care	Flicker Safe, Reader Mode
Gaming Features	Black Stabilizer, Dynamic Action Sync, Crosshair
On-Screen Control	Software-based monitor settings adjustment
Power Saving	Energy Star certified

Installation

Unpack and inspect contents. Assemble monitor on stable surface.

Attach stand: Align stand with monitor base and secure with provided screw.
Connect video sources: Use HDMI, DisplayPort, or VGA cable to connect to PC or gaming console.
Connect power: Plug power cord into monitor and wall outlet.
Adjust stand: Use ergonomic adjustments for comfortable viewing angle.

WARNING! Monitor is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on monitor; follow on-screen prompts if applicable.

Select input source: Press INPUT button to cycle through HDMI, DisplayPort, VGA.
Adjust display settings: Use OSD menu for brightness, contrast, color temperature.
Install On-Screen Control: Download software from LG website for PC control.
Enable gaming features: Access OSD to turn on AMD FreeSync, Black Stabilizer.

CAUTION! Ensure stable surface; avoid placing monitor near heat sources.

Specifications

Screen Size: 24 inches LED.
Resolution: 1920 x 1080 Full HD.
Aspect Ratio: 16:9.
Brightness: 250 cd/m².
Contrast Ratio: 1000:1 (static).
Viewing Angle: 178°/178° (CR≥10).
Response Time: 5ms (Gray to Gray).
Refresh Rate: 75Hz.
Connectivity: HDMI 1.4, DisplayPort 1.2, D-Sub.
Power Consumption: ≤ 22W (typical).
Power Source: 100-240V AC, 50/60Hz.

Controls and Settings

Access OSD via joystick button at bottom of monitor. Power button located on front or side.

Joystick Control: Press to open OSD; move up/down/left/right to navigate; press to select.

Picture: Brightness, Contrast, Sharpness, Gamma, Color Temperature (Cool, Medium, Warm). Game: Black Stabilizer, Response Time (Fast, Faster), FreeSync, Crosshair. Display: Input Select, Screen Adjust (Position, Size). General: Language (ENGLISH default), Reset.

Connecting Devices

HDMI: For PC, gaming consoles, Blu-ray players. DisplayPort: For high-refresh-rate PC connection. VGA: Legacy PC connection.

Turn off monitor and devices before connecting.
Match cables to ports (e.g., HDMI to HDMI port).
Select input via INPUT button or OSD menu.
For audio: Use HDMI or DisplayPort for audio passthrough if supported.

Tip: Use certified cables for best performance; ensure tight connections.

On-Screen Display (OSD)

Navigate settings using joystick control.

Press joystick to open main menu.
Navigate with up/down/left/right movements.
Press joystick to select submenus: Picture, Game, Display, General.
Adjust values with left/right movements.
Exit by pressing joystick back or waiting for timeout.

On-Screen Control Software: Install on Windows PC to adjust settings via mouse.

WARNING! Do not apply excessive force to joystick; handle gently.

Gaming Features

AMD FreeSync: Reduces screen tearing and stuttering. Black Stabilizer: Enhances visibility in dark scenes. Dynamic Action Sync: Minimizes input lag. Crosshair: Provides aiming reticle for FPS games.

Enable FreeSync: OSD > Game > FreeSync > On.
Adjust Black Stabilizer: OSD > Game > Black Stabilizer (1-100).
Set Response Time: OSD > Game > Response Time (Fast, Faster).
Activate Crosshair: OSD > Game > Crosshair (select style).

Care & Cleaning

Unplug before cleaning. Use soft, dry cloth for screen; slightly damp cloth for stubborn stains (water only).

CAUTION! Do not use alcohol, ammonia, or abrasive cleaners; avoid spraying liquids directly on screen.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Energy Star certified for energy efficiency. Copyright © LG Electronics Inc. All rights reserved. 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 cord loose	Check power connection; ensure outlet is working.
No signal	Input source incorrect	Press INPUT button to select correct source; check cable connections.
Screen flickering	Cable issue/refresh rate	Replace cable; adjust refresh rate in graphics driver settings.
Dead pixels	Manufacturing defect	Contact LG support if within warranty period.
Color distortion	Color settings	Reset to factory defaults via OSD > General > Reset.
Joystick not responding	Stuck/damaged	Gently press and release; if persistent, contact support.

Reset: OSD > General > Reset to restore factory settings.

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