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NEC VT490 User Manual

NEC VT490
268 pages
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Portable Projector
VT695/VT595/VT590/VT490/VT59/VT49
Users Manual

Table of Contents

Other manuals for NEC VT490

Questions and Answers:

NEC VT490 Specifications

General IconGeneral
Resolution1024 x 768 (XGA)
Weight2.9 kg (6.4 lbs)
Display Technology3LCD
Screen Size30 - 300 inches
Input ConnectorsVGA, S-Video, Composite Video
Brightness2200 ANSI lumens
Lamp Life2000 hours (Normal mode), 3000 hours (Eco mode)

Summary

Important Information

Safety Cautions and Precautions

General safety instructions, warnings, and precautions for projector use.

Fire and Shock Precautions

Detailed safety measures to prevent fire and electrical shock.

2. Installation and Connections

3. Projecting an Image (Basic Operation)

Turning on the Projector

Step-by-step guide to power on the projector and prepare for use.

Selecting the Source

How to select the input source for the projector.

Adjusting Picture Size and Position

Guide to adjusting the projected image size and its horizontal/vertical position.

Correcting Keystone Distortion

How to correct trapezoidal distortion of the projected image.

Auto Keystone Function

How to enable and use the automatic keystone correction feature.

Optimizing RGB Picture Automatically

Using the Auto Adjust feature to optimize RGB picture quality.

Turning off the Projector

Step-by-step instructions for safely powering off the projector.

4. Convenient Features

Preventing Unauthorized Use

Steps to enable and set up the projector's security function with a keyword.

5. Using On-Screen Menu

List of Menu Items

A comprehensive list of all available menu items and their functions.

Picture Menu Descriptions

Detailed explanation of picture settings like Preset, Detail Settings, Gamma, Color Temp.

Image Options Menu

Explanation of image options including Aspect Ratio, Cinema Position, and Video Filter.

Setup Menu Descriptions

Details on setup options like Auto Keystone, Keystone Save, Wall Color, Lamp Mode, Language, Beep.

Security Settings

Steps to enable the security function and set a keyword.

Information Menu Details

Details on accessing information about lamp usage, source index, version, etc.

Reset Menu Functions

Options for resetting settings to factory defaults and clearing usage hours.

6. Maintenance

Cleaning or Replacing the Filters

Procedures for cleaning or replacing the air filter sponge.

Cleaning the Cabinet and Lens

Instructions for cleaning the projector cabinet and the lens.

Replacing the Lamp

Detailed guide on how to replace the projector lamp safely.

7. Appendix

Troubleshooting Guide

Guidance on resolving common problems encountered with the projector.

Indicator Messages Explained

Explanation of the status indicators (Power, Status, Lamp) and their meanings.

Common Problems & Solutions

A table listing common issues and their corresponding solutions or checks.

Troubleshooting Checklist

A checklist to help diagnose and solve common projector problems.

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