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This projector provides security functions such as "Key lock", "PIN code lock" and "Logo PIN code lock". When the pro-
jector 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 Disconnect the AC power cord from the AC outlet.
2. As pressing the SELECT button, connect the AC power cord into an AC outlet again.
3. Keep pressing the SELECT button and then press the  ON/STAND-BY button.
4. Release the ON/STAND-BY button first and then release the SELECT button.
 - The PIN code lock and Logo PIN code lock will be 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 top control or the remote con-
trol.
If  the  Key  lock  is  enabled  with  top  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”