103Projector Adjustment and Connecting3-2. Recovering from Tamper ErrorsThe projector is fitted with a tamper detection circuit. If the cover or a slot device is removed, a tamper event is detected bythe tamper detection circuit. When the projector is started after a tamper event has been detected, an error message isdisplayed on the LCD screen of the projector. The actions that are detected as tamper events and the error messages that aredisplayed on the LCD screen are as follows.Action Error code Error messageCover removed• Lens cover• Side panel (left/right)586 IMB: Service Door TamperSlot device or blocking panel removed• Blocking panel• Media block582584IMB: Physical Marriage TamperIMB: Marriage NOT ActiveTIP Error codes can be checked when using the DCC.While the above error messages are being displayed, encrypted contents cannot be displayed. Refer to “3-2-1. Clearingtamper events” (page 104) for details on how to clear the error message.
