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Epson EX21 User Manual

Epson EX21
96 pages
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Solving Problems 71
Solving Projector Operation Problems
The power doesn’t turn on.
If the projector doesn’t turn on when you press the Ppower
button, make sure the power cord is connected to the projector
and plugged into a working electrical outlet.
The power cord may be defective. Disconnect the cord from the
outlet and contact Epson as described on page 78.
If you’re using the Direct Power On function and you
immediately plug the power cord back in after unplugging it, the
power may not turn back on. Press the Ppower button to turn
the projector back on.
The buttons on the projector don’t work.
If the Control Panel Lock function has been enabled, you can’t use the
buttons on the projector. Try using the remote control instead, or
press and hold the projector’s
Enter button for seven seconds to
release the lock (see page 55).
Solving Problems With the Image
or Sound
No image appears on the screen.
Check that the Ppower light is green (not flashing) and that the
A/V Mute slide is open. Also press the A/V Mute button on the
remote control to make sure the picture has not been turned off
temporarily.
The projector may be in standby or sleep mode. If the Ppower
light is orange, press the Ppower button to turn the projector on.
If the power was switched off and then on again, the projector
may be cooling down. Wait until the Ppower light stops flashing
and remains orange; then press the Ppower button again.

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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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