Beep Sound - Acer P7280 Refresh Service Manual

3-3 Beep Sound

Power on (as soon as power button
pressed)
Power on (lamp lighting failed)
Power on (lens cap was not opened, for
the model with sliding lens cover only)
Close lens cap while projector is operat-
ing (for the model with sliding lens cover
only)
Power off (power button pressed twice)
Fan lock
Overheat
Lamp error
Lamp Life reminding
Presentation Timer (time is up)
P7280/P7270I/P7280 Refresh/P7270I Refresh Confidential
So(0.3s)
2 x {So(0.1s) – Off(0.1s)} per lighting failure
12s interval for each trial lighting. Max 4 times
of trial
2 x {So(0.1s) – Off(0.1s)} periodically per 3
seconds, Totally 5 cycles. Turn off projector
after 5 cycles.
2 x {So(0.1s) – Off(0.1s)} periodically per 3
seconds, Totally 5 cycles. Turn off projector
after 5 cycles.
So(0.3s)
So(0.1s) periodically per second
2 x {So(0.1s) – Off(0.1s)} periodically per
second
3 x {So(0.1s) – Off(0.1s)} periodically per
second
3 x {Do(0.2s) – Off(0.8s) – So(0.2s) –
Off(0.8s)} with reminding message
3 x {Do(0.1s) – Off(0.9s)} - So(0.5s)
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