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LG DX420 - User Manual

LG DX420
54 pages
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Copyright
This publication, including all photographs, illustrations and software, is protected under international copy-
right laws, with all rights reserved. Neither this manual, nor any of the material contained herein, may be
reproduced without written consent of the author.
© Copyright March, 2008
Disclaimer
The information in this document is subject to change without notice. The manufacturer makes no repre-
sentations or warranties with respect to the contents hereof and specifically disclaims any implied
warranties of merchantability or fitness for any particular purpose. The manufacturer reserves the right to
revise this publication and to make changes from time to time in the content hereof without obligation of
the manufacturer to notify any person of such revision or changes.
Trademark Recognition
Kensington is a U.S. registered trademark of ACCO Brand Corporation with issued registrations and pend-
ing applications in other countries throughout the world.
All other product names used in this manual are the properties of their respective owners and are ac-
knowledged.
— i —

Table of Contents

Other manuals for LG DX420

Preview: Specifications
Specifications2 pages

Questions and Answers

  • M
    Michael StevensAug 6, 2025
    What to do if the lamp door is open on my LG Projector?
    • R
      reevescynthiaAug 6, 2025
      If the lamp door is open, disconnect the AC power cord from your LG Projector and wait for one minute before restarting it.
  • B
    Brittney RamirezAug 10, 2025
    What to do if my LG DX420 shows a lamp error?
    • J
      John SandersAug 10, 2025
      If your LG Projector indicates a lamp error, disconnect the AC power cord and wait one minute before restarting the projector.
  • S
    Stephen MillerAug 14, 2025
    What to do if my LG DX420 shows an over temperature error?
    • T
      Tammy HollandAug 15, 2025
      If your LG Projector displays an over temperature error, disconnect the AC power cord and wait for one minute before restarting the projector.
  • P
    Paul StoutAug 19, 2025
    What to do if my LG DX420 shows a thermal break status error?
    • C
      Cindy ScottAug 19, 2025
      If your LG Projector shows a thermal break status error, disconnect the AC power cord and wait for one minute before restarting the projector.
  • V
    Valerie AlvaradoAug 23, 2025
    What to do if my LG DX420 shows a DMD error?
    • P
      Patricia ValdezAug 23, 2025
      If your LG Projector is displaying a DMD error, disconnect the AC power cord and wait one minute before restarting it.
  • S
    Sandra GillespieAug 28, 2025
    What to do if my LG DX420 displays a Fan3 error?
    • S
      smalltimothyAug 28, 2025
      If your LG Projector displays a Fan3 error, disconnect the AC power cord and allow it to sit for one minute before attempting to restart it.
  • A
    Ashley FisherSep 1, 2025
    What to do if my LG DX420 Projector displays a color wheel error?
    • D
      Dawn EllisSep 1, 2025
      If your LG Projector displays a color wheel error, disconnect the AC power cord and wait for one minute before restarting the projector.

Summary

Getting Started

Packing Checklist

Verify all included projector components after unpacking.

Projector and Remote Control Identification

Identify key parts, controls, and connections on the projector.

Setup and Operation

Connecting Input Devices

How to connect PCs and video devices to the projector.

Starting and Shutting Down

Procedures for powering the projector on and off safely.

Adjusting Image Quality

Fine-tune zoom, focus, and keystone for optimal image presentation.

OSD Menu Settings

Navigating the OSD Menu

Learn how to navigate and change settings within the on-screen display.

Image Menu Controls

Adjust picture settings like brightness, contrast, and sharpness.

Maintenance and Security

Replacing the Projection Lamp

Step-by-step guide for safely replacing the projector lamp.

Cleaning the Projector

Instructions for cleaning the projector lens and case.

Troubleshooting

Common Problems and Solutions

General tips and common issues with troubleshooting guidance.

Image and LED Error Issues

Diagnose common image display problems and understand LED error codes.

Specifications

Technical Specifications

Detailed technical data for the projector model.

Projection Distance vs. Size

Charts showing projection distance versus screen size.

Regulatory Compliance

FCC Warning and Safety Certifications

Important warnings regarding FCC rules and product safety certifications.

LG DX420 Specifications

General IconGeneral
BrandLG
ModelDX420
CategoryProjector
LanguageEnglish

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