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Epson EX21 User Manual

Epson EX21
96 pages
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Page #33 background image
Displaying and Adjusting the Image 33
Adjusting the Position of the Image
If the image is too low on the screen, you can use the front adjustable
foot to raise it.
1. Press the foot release lever up and lift the front of the projector.
2. Once the image is positioned where you want it, release the lever
to lock the foot in position.
3. If the image is tilted or you need to fine-tune the height of the
image, you can turn the projector’s adjustable rear feet.
Raising the projector may cause the image shape to distort or
“keystone,” but you can correct the shape as described on page 33.
Adjusting the Image Shape
You can maintain a rectangular image by placing the projector directly
in front of the screen and keeping it level. This also produces the best
picture quality. If the projector is tilted up or down (up to 30°), or
placed at an angle, the shape may “keystone” and you may need to
correct the image shape.
If your image is still distorted, do one of the following:

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Epson EX21 Specifications

Projection IconProjection
projection systemEpson 3LCD, 3-chip technology
white light output2200 lumens
color light output2200 lumens
aspect ratio4:3
native resolution800 x 600 (SVGA)
resize resolution640 x 480 (VGA)
contrast ratio2000:1
Power IconPower
power supply voltage100 – 240 V ±10%, 50/60 Hz
power consumption246 W, 3 W standby
lamp type170 W UHE
Operating Environment IconOperating Environment
operating temperature41 ˚ to 95 ˚F (5 ˚ to 35 ˚C)
lamp life in ECO modeUp to 4000 hours
lamp life in normal modeUp to 3000 hours
fan noise in normal mode35 dB
fan noise in ECO mode28 dB
Lens IconLens
lens typeDigital zoom/Manual focus
f-number1.44
focal length16.6 mm
zoom ratioDigital zoom 1.0 – 1.35
Weight and Dimensions IconWeight and Dimensions
dimensions including feet12.9" x 9.6" x 4.0"
dimensions excluding feet12.9" x 9.6" x 3.6"
weight6.0 lb

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