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Epson EX21 User Manual

Epson EX21
96 pages
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52 Fine-Tuning the Projector
Disable the projector’s buttons; this is useful, for example, in a
classroom when you want to ensure that no one touches the
projector’s buttons while you’re using the remote control. See
page 55.
Secure the projector to prevent theft using a cable locking system.
See page 56.
Enabling Password Protection
The default setting for the password is 0000. Follow these steps to
create a new password:
1. Press the
Freeze button on the remote control for five to seven
seconds. You see this screen:
2. Select the type(s) of password protection you want to use:
Power On Protect: Prevents unauthorized use of the
projector. After the projector is plugged in and turned on,
you must enter a password to use the projector. Select
On,
press
Enter, then press Esc to return to the Password Protect
screen.
User’s Logo Protect: Prevents your custom screen (see
page 54), display, and User’s Logo settings in the Extended
menu from being changed. Select
On, press Enter, then press
Esc to return to the Password Protect screen.
3. Use the arrow buttons to select
Password and press Enter.
4. When you see a message asking if you want to change the
password, select
Yes and press Enter.
caution
If you lose the remote
control, you will not be able
to enter the password. Keep
the remote control in a safe
place at all times. Also, it’s a
good idea to write down
your password.

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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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