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Epson EX21 User Manual

Epson EX21
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Fine-Tuning the Projector 51
Sleep Mode
: Enable if you want the projector to turn off
automatically if it is idle and no signal is received for 1 to 30
minutes (you can adjust the amount of time using the next
setting).
Sleep Mode Timer: When Sleep Mode is on, you can set the
period of time before the projector turns off automatically, from
1to 30 minutes.
Lens Cover Timer: Enabled by default to turn the projector’s
power off automatically when the
A/V Mute slide is closed for
more than 30 minutes.
High Altitude Mode: Enable when you are using the projector
above 4,900 feet (1,500 meters) to ensure that the temperature is
regulated properly. Turn this setting off for lower elevations.
USB Type B
Select how you want to use the USB port. Select USB Display to
use the USB port to project computer images. Select
Page
Up/Down
to use the remote control to advance PowerPoint
slides. Select
Wireless Mouse to use the remote control buttons
like a wireless mouse. See page 40 for restrictions and details.
Language
Select a language to use for the projector menus.
Using the Projector Security Features
To prevent unauthorized use of the projector, you can:
Assign a password. You can use the password to prevent the
projector from being turned on and prevent your custom startup
screen from being changed. See the next section.
Create a custom screen that is displayed at startup and/or when
the
A/V Mute button is pressed. The screen can be locked with a
password to discourage theft and provides a way to identify the
projector should it be stolen. See page 54.
note
Do not use the projector at
altitudes above 7,500 feet
(2,286 meters).

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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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