LG 55EH5C Manual

The LG 55EH5C is a 55-inch Commercial LED Display with Full HD resolution, built-in digital tuner, multiple input options including HDMI, DisplayPort, DVI, VGA, composite video, and audio inputs, network connectivity, RS-232C control, and commercial-grade durability. Designed for 24/7 operation in commercial environments. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 55-inch LED panel with commercial-grade components, Remote Control, Multiple input ports, Network connectivity, RS-232C control, Built-in speakers.

Feature	Description
HDMI Input	For high-definition video and audio connection
DisplayPort	For digital video connection from computers
DVI Input	For digital video interface connection
VGA Input	For analog computer video connection
Composite Video	For standard definition video input
Audio Input/Output	For audio connection and external speakers
LAN Port	For network connectivity and control
RS-232C	For serial control and integration
USB Service Port	For service and maintenance
POWER	Turns display on/off

Installation

Unpack and inspect contents. Ensure proper mounting for commercial installation.

1. Mounting: Use VESA 400x400 compatible mount; ensure secure installation.
2. Connect video sources: Use HDMI, DisplayPort, DVI, or VGA inputs as needed.
3. Connect audio: Use audio input jacks for external audio sources.
4. Network connection: Connect LAN cable for network control.
5. Plug into AC power.

WARNING! Display is heavy; professional installation recommended. Ensure all connections are secure for 24/7 operation.

First-Time Setup

Power on display; follow initial setup procedure.

1. Input selection: Press INPUT button to select appropriate source.
2. Display settings: Adjust brightness, contrast, and color settings for environment.
3. Network setup: Configure IP settings for network control.
4. Commercial settings: Set up scheduling and operation modes.
5. Save settings: Ensure all configurations are saved for continuous operation.

CAUTION! Professional installation required for commercial environments.

Specifications

• Screen Size: 55 inches LED.
• Resolution: Full HD 1920x1080.
• Brightness: High brightness for commercial environments.
• Inputs: HDMI, DisplayPort, DVI, VGA, Composite Video.
• Audio: Built-in speakers, audio input/output.
• Control: RS-232C, LAN, IR remote.
• Power Consumption: Optimized for 24/7 operation.
• Operating Temp: Commercial temperature range.
• VESA Mount: 400x400 mm compatible.

Controls and Settings

Access OSD via front buttons or remote control. Front Panel: POWER, INPUT, MENU, VOLUME.

Remote: POWER, INPUT, MENU, Navigation buttons, VOLUME, MUTE, Number buttons.

Picture: BRIGHTNESS, CONTRAST, COLOR, SHARPNESS, backlight, color temperature. Audio: Volume, balance, tone controls. Network: IP configuration, control settings. Commercial: Scheduling, operation modes, temperature monitoring.

Connecting Devices

Multiple input options: HDMI, DisplayPort, DVI, VGA, Composite.

1. Turn off display and devices before connecting.
2. Match cables to appropriate ports.
3. Select input source via INPUT button.
4. Configure audio settings for connected devices.

Tip: Use high-quality cables for optimal performance in commercial settings.

Network Setup

Network connectivity for remote control and monitoring.

1. Connect LAN cable to display and network.
2. Access network settings in OSD menu.
3. Configure IP address (DHCP or static).
4. Set up control protocols and security.
5. Test network connectivity and control.

WARNING! Secure network configuration required for commercial use.

Commercial Features

24/7 operation capability, scheduling, temperature monitoring, RS-232C control, network management.

Care & Maintenance

Regular maintenance for commercial operation. Use approved cleaning solutions and soft cloth.

CAUTION! Follow commercial maintenance schedule. Unplug before cleaning.

Regulatory Information

FCC Part 15: Class A digital device; complies with commercial interference limits. Copyright © 2024 LG Electronics; all trademarks property of LG Electronics. For commercial support, contact LG Business Solutions or visit www.lg.com/commercial.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check power cable and outlet; ensure proper connection.
No image	Input selection/cables	Verify input source; check cable connections; try different input.
Network not working	Network settings/cable	Check LAN cable; verify IP configuration; test network connectivity.
Remote control issues	Batteries/obstacles	Replace batteries; ensure line of sight to IR sensor.
Image quality issues	Settings/cables	Adjust picture settings; use high-quality cables; check source resolution.

Reset: Menu > System > Reset to factory defaults if needed.

Service: Contact LG Business Solutions for commercial support.