Recovering From Tamper Errors - NEC NP-02HD Installation Manual

3-2. Recovering from Tamper Errors

The projector is fitted with a tamper detection circuit. If the cover or a slot device is removed, a tamper event is detected by
the tamper detection circuit. When the projector is started after a tamper event has been detected, an error message is
displayed on the LCD screen of the projector. The actions that are detected as tamper events and the error messages that are
displayed on the LCD screen are as follows.
Action
Cover removed
• Lens cover
• Side panel (left/right)
Slot device or blocking panel removed
• Blocking panel
• Media block
TIP
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. Clearing
tamper events" (page 104) for details on how to clear the error message.
Projector Adjustment and Connecting
Error code
586 IMB: Service Door Tamper
582 IMB: Physical Marriage Tamper
584 IMB: Marriage NOT Active
Error message
103