LG 43SE3B-B Manual

The LG 43SE3B-B is a 43-inch commercial display with Full HD resolution, built-in digital tuner, multiple connectivity options including HDMI, DisplayPort, and USB, network connectivity, RS-232C control, and energy-saving features. Designed for commercial applications with 24/7 operation capability. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 43-inch LED panel, remote control, multiple input ports, network connectivity, commercial-grade features.

Feature	Description
HDMI Input	For high-definition video and audio connection
DisplayPort	For computer and professional video connection
USB Port	For firmware updates and media playback
LAN Port	For network connectivity and remote management
RS-232C	For external control system integration
Audio Output	For external speaker connection
Power Input	For AC power connection
IR Receiver	For remote control operation
Control Buttons	Power, menu, input selection, volume
VESA Mount	Standard mounting compatibility

Installation

Unpack and inspect contents. Ensure proper mounting or placement.

1. Mounting: Use VESA 200x200 compatible mount; ensure secure installation.
2. Connect video sources: Use HDMI, DisplayPort, or other available inputs.
3. Connect network: Use LAN port for network connectivity.
4. Connect audio: Use audio output for external speakers if needed.
5. Plug into AC power.

WARNING! Display is heavy; use proper lifting techniques and secure mounting.

First-Time Setup

Power on display; follow on-screen setup wizard.

1. Language selection: Choose preferred language from menu.
2. Input source: Select primary input source (HDMI, DisplayPort, etc.).
3. Network setup: Configure wired network connection if required.
4. Picture settings: Adjust brightness, contrast, and color settings.
5. Commercial settings: Configure operating hours and power management.

CAUTION! Ensure stable mounting and proper ventilation.

Specifications

• Screen Size: 43 inches LED
• Resolution: 1920 x 1080 Full HD
• Brightness: 350 cd/m² typical
• Contrast Ratio: 1200:1 static
• Viewing Angle: 178°/178°
• Inputs: HDMI, DisplayPort, D-Sub, Composite
• Network: RJ45 Ethernet
• Control: RS-232C, IR
• Power Consumption: 45W typical, <0.5W standby
• Operating Temp: 0°C to 40°C

Controls and Settings

Access OSD via menu button or remote control. Front panel: Power, Menu, Input, Volume.

Remote: Power, Input, Menu, Volume, Channel, Navigation buttons.

Picture: Brightness, Contrast, Color, Sharpness, Color Temperature, Backlight. Audio: Volume, Balance, Equalizer. Setup: Language, Time, Network, RS-232C settings. Commercial: Operating Time, Power Saving, Screen Saver, Schedule Power On/Off.

Connecting Devices

Multiple input options: HDMI, DisplayPort, D-Sub, Composite video.

1. Turn off display and source devices before connecting.
2. Connect HDMI devices for digital audio/video.
3. Use DisplayPort for computer connections.
4. Connect network cable for remote management.
5. Select input source via INPUT button or remote.

Tip: Use high-quality cables for best performance.

Network Setup

Configure network for remote management and control.

1. Connect Ethernet cable to LAN port.
2. Access network settings in menu.
3. Select DHCP for automatic IP assignment or set manual IP.
4. Configure network control protocols if required.
5. Test network connectivity.

Note: Network setup required for remote management features.

Commercial Features

Designed for commercial use with 24/7 operation capability.

• Schedule Power On/Off: Set automatic power management
• Screen Saver: Prevent image retention
• Operating Time: Monitor usage hours
• RS-232C Control: External system integration
• Network Management: Remote monitoring and control

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for screen; mild cleaner for cabinet.

CAUTION! Do not use abrasive cleaners or spray directly on screen.

Regulatory Information

FCC Part 15: Class B digital device; complies with applicable standards. CE marked for European market. Energy Star compliant. Copyright © LG Electronics. For support, visit www.lg.com or contact LG customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord, outlet	Check power connection; try different outlet.
No picture	Input source, cables	Check input selection; verify cable connections.
Poor image quality	Settings, cables	Adjust picture settings; use quality cables.
No network connection	Cable, settings	Check network cable; verify IP settings.
Remote not working	Batteries, distance	Replace batteries; ensure line of sight.

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

Service: Contact LG customer support or authorized service center.