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LG 55LS75C - User Manual

LG 55LS75C
132 pages
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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.
42LS75C
49LS75C
55LS75C
42LS73C
49LS73C
55LS73C
www.lg.com
Copyright © 2017 LG Electronics Inc. All Rights Reserved.

Table of Contents

Other manuals for LG 55LS75C

Questions and Answers

  • M
    Melissa BrownSep 9, 2025
    What to do if the operation does not work normally on LG 55LS75C?
    • T
      Todd ChenSep 10, 2025
      If the operation does not work normally on your LG Digital Signage, check if the Timer is set. Also, review the power control settings and check for any power interruptions.
  • J
    James BurnsSep 8, 2025
    How to fix audio function if it does not work on LG 55LS75C Digital Signage?
    • K
      Kyle PenaSep 8, 2025
      If the audio function does not work on your LG Digital Signage, check if the audio cable is connected properly. Adjust the volume and ensure the sound is set correctly. Also, select the appropriate equalizer sound.
  • S
    Stefanie TaylorSep 7, 2025
    What to do if the screen image looks abnormal on LG Digital Signage?
    • K
      Katie MartinezSep 7, 2025
      If the screen image looks abnormal on your LG Digital Signage, check if the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Also, ensure you connect the signal cable that matches the source input signal.
  • U
    umorrisonAug 22, 2025
    What to do if no image is displayed on my LG 55LS75C Digital Signage?
    • B
      Bruce WalkerAug 23, 2025
      If your LG Digital Signage is not displaying an image, ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable and press the INPUT menu on the remote control to verify the input signal. If the signal from the PC is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
  • L
    Larry MedinaSep 5, 2025
    Why is there no image on my LG 55LS75C?
    • L
      luis17Sep 5, 2025
      If no image is displayed on your LG Digital Signage, ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable and verify the input signal by pressing the INPUT menu on the remote control. If the signal from the PC (Graphics card) is out of the vertical or horizontal frequency range of the product, adjust the frequency range by referring to the Specifications in this manual.
  • O
    oprattSep 3, 2025
    Why does after-image appear on my LG Digital Signage?
    • P
      Phillip PerkinsSep 4, 2025
      If an after-image appears on your LG Digital Signage and you use a fixed image for a long time, the pixels may be damaged. Use the screen-saver function. Note that this is normal for LCD screen products.
  • D
    Donna MullinsSep 2, 2025
    What to do if the audio function is not working on my LG 55LS75C?
    • A
      Alison ThomasSep 2, 2025
      If the audio function does not work on your LG Digital Signage, make sure the audio cable is connected properly. Then, adjust the volume and ensure the sound is set correctly. You may also want to select the appropriate equalizer sound and adjust the volume again.
  • A
    alex31Sep 1, 2025
    Why does the screen image look abnormal on my LG 55LS75C Digital Signage?
    • D
      Darlene GarciaSep 1, 2025
      If the screen image on your LG Digital Signage looks abnormal, verify that the graphics card resolution and frequency are supported by the product. If the frequency is out of range, set to the recommended resolution in the [Control Panel] ? [Display] ? [Setting] menu. Also, ensure you connect the signal cable that matches the source input signal.
  • M
    michaelnelsonAug 31, 2025
    How to fix no image on LG 55LS75C?
    • M
      Melissa YoungAug 31, 2025
      If no image is displayed on your LG Digital Signage, first ensure the power cord is correctly plugged into the power outlet. Also, check the signal cable and press the INPUT menu on the remote control to verify the input signal. If the signal from the PC is out of the vertical or horizontal frequency range, adjust the frequency range by referring to the Specifications in this manual.
  • C
    Craig RobersonAug 30, 2025
    What to do if the Unknown Product message appears when my LG Digital Signage is connected?
    • T
      Tiffany SmithAug 30, 2025
      If the 'Unknown Product' message appears when your LG Digital Signage is connected, check if the Plug and Play function is supported by referring to the graphics card user manual.

Summary

Important Safety Precautions

Electrical Power Usage Safety

Safety guidelines for electrical power usage to prevent hazards.

Product Installation Safety Guidelines

Safety guidelines for product installation to prevent hazards.

Safe Product Handling Procedures

Guidelines for safe movement and handling of the product.

Product Usage and Cleaning Safety

Safety advice for using and cleaning the product.

Assembly and Preparation Guide

Wall Mounting Installation Procedures

Guidelines for securely mounting the display on a wall.

Making Connections and Setup

PC Connectivity Guide

How to connect the display to a personal computer.

User Settings and Customization

Picture Mode Selection

How to select and adjust picture modes for optimal viewing.

Sound Mode and Effects Adjustment

Configuring sound modes and audio effects.

Entertainment Features Guide

Control Manager Remote Access

Remotely managing the display via a web browser.

Remote Control and IR Codes

Remote Control Button Functions

Explains the functions of each button on the remote control.

Multi-Product Control Operations

Connecting Cables for Multi-Product Control

Setup for connecting multiple products for control.

Installation Menu Overview

Signage Setup Configuration

Configuring initial digital signage settings post-installation.

Installation Menu Settings

Power Management Settings

Configuring power-off timers and display power management.

Advanced Installation Features

Fail Over and ISM Method Configuration

Setting up input priority and image sticking prevention.

LG 55LS75C Specifications

General IconGeneral
Operating Temperature0 °C to 40 °C
Storage Temperature-20 °C to 60 °C
Standby Power Consumption0.5W
Frequency50/60Hz
Screen Size55 inches
Viewing Angle (H x V)178° x 178°
OrientationPortrait & Landscape
InputHDMI, USB
OutputAudio Out
External ControlRS-232C
Power Supply100-240V~, 50/60Hz
Input VoltageAC 100-240V
Resolution1920 x 1080 (Full HD)

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