Epson EX21 User Manual

32 Displaying and Adjusting the Image
Selecting an Image Source
You may need to select the image source if you have multiple image
sources connected to the projector (such as a computer or DVD
player). Selecting the image source lets you switch between images
input from different pieces of connected equipment.
If you don’t see the image you want, press the
Source Search button
on the remote control or the projector until you see the image you
want to project
If you still can’t see an image or can’t project the same image that is on
your notebook or computer screen, see page 71 for solutions.
Adjusting the Image
Once you see your image, you may need to make certain adjustments:
■ If the image is too high or too low, reposition it as described
below.
■ If the image isn’t square, see page 33.
■ To focus or zoom your image, see page 34.
■ To quickly adjust the color, brightness, or contrast, see page 35.
■ To change the image aspect ratio, see page 35.
Source
Search
button

Epson EX21 Specifications

Projection

projection system	Epson 3LCD, 3-chip technology
white light output	2200 lumens
color light output	2200 lumens
aspect ratio	4:3
native resolution	800 x 600 (SVGA)
resize resolution	640 x 480 (VGA)
contrast ratio	2000:1

Power

power supply voltage	100 – 240 V ±10%, 50/60 Hz
power consumption	246 W, 3 W standby
lamp type	170 W UHE

Operating Environment

operating temperature	41 ˚ to 95 ˚F (5 ˚ to 35 ˚C)
lamp life in ECO mode	Up to 4000 hours
lamp life in normal mode	Up to 3000 hours
fan noise in normal mode	35 dB
fan noise in ECO mode	28 dB

Lens

lens type	Digital zoom/Manual focus
f-number	1.44
focal length	16.6 mm
zoom ratio	Digital zoom 1.0 – 1.35

Weight and Dimensions

dimensions including feet	12.9" x 9.6" x 4.0"
dimensions excluding feet	12.9" x 9.6" x 3.6"
weight	6.0 lb