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Epson EX21 User Manual

Epson EX21
96 pages
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Solving Problems 73
If you’re using Mac OS X:
1. Open
System Preferences.
2. Click
Displays.
3. Click
Detect Displays.
4. Make sure the
VGA Display or Color LCD dialog box is selected.
5. Click the
Arrangement or Arrange tab.
6. Make sure the
Mirror Displays checkbox is selected.
The message Not Supported is displayed.
Make sure the correct input signal is selected in the Signal menu
(see page 47).
Make sure your computer’s resolution and frequency or refresh
rate is supported by the projector (see page 84). If necessary,
change your computer’s settings.
Only part of the computer image is displayed.
Press the Auto button on the remote control or the Enter button
on the projector.
Make sure the image Position setting is correct in the Signal
menu. See page 48 for more information.
Select the correct Aspect setting from the Signal menu. See
page 35 for details on the available options.
Press the Esc button on the remote control to cancel the E-Zoom
function.
Make sure your computer’s resolution setting is correct. See the
compatible video formats listed on page 84.
You also may need to modify existing presentation files if you
created them for a different resolution. See your software
documentation for specific information.
If you’re projecting a widescreen computer image, adjust the
Resolution setting (see page 47), if necessary.

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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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