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ViewSonic LS920WU - User Manual

ViewSonic LS920WU
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LS920WU/LS921WU
Projector
User Guide
Model No. VS18318 / VS18319
Model Name: LS920WU / LS921WU
IMPORTANT: Please read this User Guide to obtain important information on installing and using your product
in a safe manner, as well as registering your product for future service. Warranty information contained in this
User Guide will describe your limited coverage from ViewSonic Corporation, which is also found on our web site at
http://www.viewsonic.com in English, or in specific languages using the Regional selection box in the upper right
corner of our website. “Antes de operar su equipo lea cu idadosamente las instrucciones en este manual”

Table of Contents

Questions and Answers

  • E
    Elizabeth BallJul 28, 2025
    How to fix ViewSonic LS920WU that does not turn on?
    • C
      Cynthia VillegasJul 28, 2025
      If your ViewSonic Projector isn't turning on, first ensure the power cord is securely connected to both the projector and the power outlet. If the cooling process is still running, wait for it to complete before attempting to power on the projector again. As an additional step, test the power outlet with another electrical device or try a different outlet.
  • J
    Joshua BriggsAug 5, 2025
    Why is my ViewSonic LS920WU remote not working?
    • D
      David JohnsonAug 5, 2025
      If the remote control for your ViewSonic Projector isn't working, first ensure there are no obstructions between the remote and the projector and that they are within 8 meters (26 feet) of each other. If the issue persists, check and replace the batteries in the remote control.
  • S
    Sarah ButlerAug 12, 2025
    How to fix a blurred image on ViewSonic Projector?
    • N
      Nicholas SingletonAug 12, 2025
      If your ViewSonic Projector is displaying a blurred image, try these steps: First, adjust the Focus Ring to correctly focus the projection lens. Then, ensure that the projector and screen are properly aligned. If needed, adjust the projector's height, projection angle, and direction.
  • E
    emilyrodriguezAug 20, 2025
    What to do if there is no picture on ViewSonic LS920WU?
    • S
      Sally PowellAug 20, 2025
      If there's no picture on your ViewSonic Projector, check that the video source cable is properly connected and the video source is turned on. Also, if the input source isn't automatically selected, use the Source key on the projector or remote to select the correct source.

Summary

Projector User Guide and Introduction

Safety Precautions

Essential safety guidelines and warnings for using the projector.

Product Overview

Details on projector features, controls, and connection ports.

Initial Setup and Connections

Initial Setup and Mounting

Guidance on selecting projector placement, mounting, and dimensions.

Making Connections

Steps for connecting power, video, computer, audio, and HDBaseT sources.

Operation and Menu Navigation

Basic Operation

Instructions for turning on/off, selecting input sources, and adjusting the image.

Menu Functions and Settings

Overview of the OSD menu, including Display, Image, and System settings.

Maintenance, Troubleshooting, and Specifications

Troubleshooting Common Problems

Solutions for frequent issues like no picture, blurred image, or remote control problems.

Maintenance and Light Source Care

Guidelines for cleaning, storing, and extending the projector's light source life.

Specifications and Timing Charts

Technical data, dimensions, and signal timing compatibility information.

Warranty and Support

Limited Warranty Information

Details on warranty coverage, terms, and exclusions for the projector.

Getting Service and Contact Information

Procedures for obtaining service and contact details for customer support.

ViewSonic LS920WU Specifications

General IconGeneral
FocusManual
Offset0 %
Throw ratio1.36-2.18
Zoom capabilityYes
Focal length range14.3 - 22.9 mm
Aperture range (F-F)1.81 - 2.1
Matrix size0.48 \
Number of colors1.07 billion colors
Native aspect ratio-
Projection distance0.88 - 14.09 m
Vertical scan range23 - 120 Hz
Projection technologyDMD
Contrast ratio (typical)3000000:1
Screen size compatibility30 - 300 \
Projector native resolutionWUXGA (1920x1200)
Keystone correction, horizontal-40 - 40 °
InteractiveNo
Noise level36 dB
Number of OSD languages23
Noise level (economic mode)29 dB
On Screen Display (OSD) languagesARA, CHI (SIMPL), CHI (TR), CZE, DEU, DUT, ENG, ESP, FIN, FRE, GRE, IND, ITA, JPN, KOR, POL, POR, RUS, SWE, THA, TUR, VIE
Cables includedAC, VGA
Ethernet LAN (RJ-45) ports1
HDMI connector typeFull-size
Serial interface typeRS-232
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) in0
Operating altitude0 - 3000 m
Storage temperature (T-T)-20 - 60 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 90 %
Analog signal format systemNTSC, PAL, SECAM
Supported graphics resolutions640 x 480 (VGA), 3840 x 2160
Power sourceAC
AC input voltage100-240 V
AC input frequency50 - 60 Hz
Power consumption (standby)0.5 W
Power consumption (typical)450 W
Lamp power74 W
Lamps quantity2 lamp(s)
Light source typeLaser
Service life of light source20000 h
PlacementDesktop, Ceiling
Product typeStandard throw projector
Product colorWhite
Market positioningPresentation
RMS rated power20 W
Harmonized System (HS) code85286200
Weight and Dimensions IconWeight and Dimensions
Depth305 mm
Width405 mm
Height145 mm
Weight6500 g
Package depth490 mm
Package width515 mm
Package height276 mm
Package weight9000 g

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