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OWNER'S MANUAL
LG Digital Signage
(MONITOR SIGNAGE)
Please read this manual carefully before operating your set and retain it for future
reference.
43UL3J-B
50UL3J-B
55UL3J-B
65UL3J-B
75UL3J-B
86UL3J-B
www.lg.com
Copyright © 2021 LG Electronics Inc. All Rights Reserved.

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Summarization of Contents

Safety Precautions
Precautions for the AC Adapter and Power
Provides guidance on safe usage and handling of the AC adapter and power cord.
Precautions for Moving the Product
Details safety measures to prevent injury or damage when relocating the product.
Precautions for Installing the Product
Covers essential safety guidelines for securely and safely installing the monitor.
Precautions for Cleaning the Product
Explains how to clean the product safely to avoid damage or electrical hazards.
Precautions for Using the Product
Offers advice for safe operation, including environmental conditions and handling.
Precautions for Using the Remote Control
Provides safety guidelines for battery handling and remote control operation.
Precautions for Experiencing Image Retention
Addresses image retention issues and recommends preventive measures for screen longevity.
Product Disposal
Instructions on how to dispose of the product responsibly according to regulations.
Assembly and Preparation
Parts and Buttons
Identifies and describes the physical components and controls of the monitor.
Portrait Layout
Explains how to orient the monitor for display in a vertical portrait mode.
Using Kensington Lock
Details the procedure for using the Kensington security lock for theft prevention.
Installing on a Wall
Provides instructions and safety guidelines for mounting the monitor on a wall.
Making Connections
Connecting to a PC
Guide for establishing a connection between a personal computer and the monitor.
External Device Connection
Instructions for connecting various external audio-visual devices to the monitor.
Using the Input List
Explains how to navigate and select input sources for connected devices.
Connecting Multiple Monitors
Details the process for linking multiple monitors together for extended display.
Troubleshooting
Issues Related to Use
Addresses common problems encountered during product usage and their solutions.
Issues Related to Screen (Video)
Solutions for display problems such as 'No signal' or incorrect screen positioning.
Issues Related to Screen (Color)
Troubleshooting tips for color resolution, stability, and screen brightness issues.
Issues Related to Sound
Guides for resolving audio output problems, sound quality, and volume issues.
Other Issues
Covers miscellaneous problems like sudden power off and power source checks.

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