SERVICE MANUAL LC-XB41 - TechEdu.com

Security Function Notice
Security Function Disable
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.
Function
Key lock
PIN code lock
Logo PIN code lock
Description
Locks operation of the top control or the remote control.
If the Key lock is enabled with top control lock, the projector
can no longer be started.
Initial setting: Key lock function is disabled
Prevents the projector from being operated by an unauthorized
person.
Initial code: “1234”
Prevents an unauthorized person for changing the
start-up logo and captured image on the screen.
Initial code: “4321”
Resetting procedure
1 Disconnect the AC power cord from the AC outlet.
2 As pressing the SELECT button on the projector, connect the AC power cord into an AC outlet again. Keep
pressing the SELECT button until the POWER indicator lights continuously.
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.
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