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This projector provides security functions such as "Key lock", "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.
Security Function Notice
Resetting procedure
1
Turn off the projector with the Main switch.
2
Press and hold the
SELECT
button on the projector and then turn on the projector with the Mans switch.
Keep pressing the
SELECT
button for more than 10 seconds.
This is complete the resetting of the security function. The PIN code lock and Logo PIN code lock are reset
as the initial PIN code at the factory and the Key lock function is disabled.
Please refer to the owner's manual for further information of the security functions.
Function
Description
Key lock
Locks operation of the side control or the remote con-
trol.
If the Key lock is enabled with side control lock, the
projector can no longer be started.
Initial setting: Key lock function is disabled
PIN code lock
Prevents the projector from being operated by an un-
authorized person.
Initial code: “1234”
Logo PIN code lock
Prevents an unauthorized person for changing the
start-up logo on the screen.
Initial code: “4321”
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
Summary of Contents for DS+750
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