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LG 42LS75C - User Manual

LG 42LS75C
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 42LS75C

Questions and Answers

  • A
    Andrew ClarkSep 9, 2025
    What to do if the operation does not work normally on LG 42LS75C?
    • G
      Gregory MartinSep 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
    Julie TannerSep 8, 2025
    How to fix audio function if it does not work on LG 42LS75C Digital Signage?
    • V
      Victor RodriguezSep 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.
  • A
    Alexander WoodSep 7, 2025
    What to do if the screen image looks abnormal on LG Digital Signage?
    • S
      Samantha MurraySep 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.
  • C
    Courtney DownsAug 22, 2025
    What to do if no image is displayed on my LG Digital Signage?
    • B
      Bryan RamseyAug 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.
  • B
    Brenda CruzSep 5, 2025
    Why is there no image on my LG 42LS75C?
    • J
      Juan RodriguezSep 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.
  • W
    William BaldwinSep 3, 2025
    Why does after-image appear on my LG Digital Signage?
    • J
      Joshua OrtegaSep 3, 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.
  • R
    Robert HudsonSep 2, 2025
    What to do if the audio function is not working on my LG 42LS75C?
    • R
      Rose RiceSep 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.
  • J
    James LiuSep 1, 2025
    Why does the screen image look abnormal on my LG 42LS75C Digital Signage?
    • S
      Sergio GreeneSep 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.
  • G
    Gwendolyn WarnerAug 31, 2025
    How to fix no image on LG 42LS75C?
    • K
      kristina22Aug 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.
  • B
    bushvictorAug 29, 2025
    What to do if the Unknown Product message appears when my LG Digital Signage is connected?
    • D
      Debbie FisherAug 29, 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 PRECAUTIONS

Electrical Power Related Precautions

Safety guidelines for product use and installation related to electrical power.

Precautions for installing the Product

Guidelines for safe installation, placement, and ventilation of the product.

ASSEMBLY AND PREPARATION

Installing on a Wall

Guidance on mounting the product on a wall, including ventilation and screw specifications.

REMOTE CONTROL

TROUBLESHOOTING

USER SETTINGS

Picture Settings

Adjustments for display picture quality, including modes and fine-tuning.

TO CONTROL MULTIPLE PRODUCTS

Connecting the Cable

Instructions for connecting multiple products to a single PC using RS-232C cables.

INSTALLATION MENU

Signage Setup

Configuration of digital signage settings after installation.

LG 42LS75C Specifications

General IconGeneral
Display TypeLCD
Aspect Ratio16:9
Viewing Angle (H x V)178° x 178°
VESA Mount CompatibleYes
Operating Temperature0 °C to 40 °C
Storage Temperature-20 °C to 60 °C
Standby Power Consumption0.5W
Display Size42 inches
Resolution1920 x 1080 (FHD)
Response Time8ms (G to G)
ConnectivityHDMI, USB, RS232C, DVI-D
Built-in SpeakersYes
VESA Mount200 x 200 mm

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