-11-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 notknow the correct PIN code to the projector, the projector can no longer be operated or started. In this case, you mustreset those function first according to the resetting procedure described below and then check up on the projector.Security Function NoticeResetting procedure1 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. Keeppressing 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 resetas 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 descriptionKey lockLocks operation of the top control or the remote con-trol.If the Key lock is enabled with top control lock, theprojector can no longer be started.Initial setting: Key lock function is disabledPIN code lockPrevents the projector from being operated by an un-authorized person.Initial code: “134”logo PIN code lockPrevents an unauthorized person for changing thestart-up logo on the screen.Initial code: “431”