Epson Projector Ex21 User Manual

EX21
Multimedia Projector
User’s Guide 

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Important Safety Information
WARNING: Never look into the projector lens when the lamp is turned on; the bright light can damage your eyes. 
Never let children look into the lens when it is on. Never open any cover on the projector, except the lamp and 
filter covers. Dangerous electrical voltages inside the projector can severely injure you. Except as specifically 
explained in this User’s Guide, do not attempt to service this product yourself. Refer all servicing to qualified service 
personnel....

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Trademarks
Epson and Instant Off are registered trademarks, and Epson Exceed Your Vision is a registered logomark of Seiko 
Epson Corporation.
PrivateLine is a registered trademark, SizeWise is a trademark, and Extra Care is a service mark of Epson America, 
Inc.
Pixelworks, DNX, and the DNX logo are trademarks of Pixelworks, Inc.
General Notice: Other product names used herein are for identification purposes only and may be trademarks of 
their respective owners. Epson disclaims any and all rights in...

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Contents
Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Using Your Documentation . . . . . . . . . . . . . . . . . . . . . . . . . 10
Getting More Information . . . . . . . . . . . . . . . . . . . . . . . 10
Registration and Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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Setting Up the Projector. . . . . . . . . . . . . . . . . . . . . 13
Unpacking the...

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Displaying and Adjusting the Image . . . . . . . . 31
Selecting an Image Source  . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Adjusting the Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Adjusting the Position of the Image . . . . . . . . . . . . . . . . 33
Adjusting the Image Shape. . . . . . . . . . . . . . . . . . . . . . . 33
Focusing and Zooming the Image . . . . . . . . . . . . . . . . . 34
Selecting the Color Mode  . . . . . . . . . . . . . . . . . . . . . . ....

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Replacing the Lamp  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Resetting the Lamp Timer . . . . . . . . . . . . . . . . . . . . . . . 62
Checking Lamp Usage . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Replacing the Remote Control Batteries . . . . . . . . . . . . . . . . 64
Transporting the Projector . . . . . . . . . . . . . . . . . . . . . . . . . . 65
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Solving Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Using On-Screen Help . . . . . . . . ....

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Welcome
The EX21 is an easy-to-use, compact, lightweight projector with a 
built-in speaker. It offers up to 2200 lumens of white and color light 
output (brightness) and provides a native SVGA resolution. You can 
connect it to a wide range of computers and video sources.
Your projector offers these easy setup, control, and security features:
■USB Plug n’ Play instant setup—Instantly project from a PC via 
USB connection
■Quick, convenient control—Direct Power Off, sleep mode, 
Instant Off ®/On...

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Using Your Documentation
This book contains all the information you need to set up and use 
your projector. Please follow these guidelines as you read through it: 
■Warnings must be followed carefully to avoid bodily injury.
■Cautions must be observed to avoid damage to your equipment.
■Notes contain important information about your projector.
■Tips contain additional projection hints.
Getting More Information
Need tips on giving presentations? Quick steps for setting up your 
projector? Here’s...