promethean PRM-20, Service Manual

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Side control
F button button 1, 2, 3
Security Function Notice
Antitheft Alarm Function disable
This projector provides an Antitheft alarm function which
works when detecting a vibration to protect the projec-
tor from a suspicious person.
release the alarm setting
Press the
F button
and input the four-digit PIN code
within 10 seconds. (default PIN code "1111") When the
alarm is released, you will hear high-pitched confirmation
sound.
When inputting an incorrect PIN code, you will hear low-
pitched sound. If you input incorrect PIN codes times,
the alarm will start ringing.
If you forget the PIN code to release the alarm setting,
press and hold the
button 3
and
F button
at the same
time for more than seconds.
This projector provides security functions such as "PIN code lock" and "Logo PIN code lock". When the projector has
set these security function on, you are required to enter correct PIN code to use the projector. If you do not know
the correct PIN code to the projector, the projector can no longer be operated or started. In this case, you must reset
those function first according to the resetting procedure described below and then check up on the projector.
Resetting procedure
1
Turn the projector off (in the standby mode).
2
Press and hold the
7
and
8
button on the remote control at the same time for more than 10 seconds. The PIN The PIN
code and Logo PIN code will be reset to the factory initial setting code.
Please refer to the owner's manual for further information of the security functions.
Function description
PIN code lock
Prevents the projector from being operated by an un-
authorized person.
Initial code: “14”
Logo PIN code lock
Prevents an unauthorized person for changing the
start-up logo and captured image on the screen.
Initial code: “41”
Security Function disable