Hitachi HDPJ52 user manual Whisper function is working, Whisper function may cause screen flicker

Troubleshooting

Phenomenon	Cases not involving a machine defect
	AUTO1 or AUTO2 is selected for the BLACK mode.
	Please set the BLACK mode to TURN OFF using the BLACK button
Flicker appears on	(27) or the BLACK item in the PICTURE menu (41).
the screen.	The WHISPER function is working.
	The WHISPER function may cause screen flicker.
	Set the WHISPER item (48) in the SETUP menu to NORMAL.
	The fan speed has been automatically changed.
	When the ambient temperature is, the projector will automatically
Projector is very	raise the cooling fan speed to keep the internal temperature stable.
noisy.	Lower the ambient temperature.
	If you want to reduce noise more, set the WHISPER item (48) in
	the SETUP menu to WHISPER.

NOTE • Although bright spots, dark spots, uneven color or misconvergence may appear on the screen, these are common characteristics of liquid crystal displays, and do not constitute or imply a machine defect.

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