3M MP8760 manual Wrong Contrast, Wrong Brightness

The Standby button	•	There is no lamp in	• Put a 3M MP8760 lamp in the unit.
blinks red and the		the unit.	• Install the lamp again.	ENGLISH
lamp with not turn	•	The lamp is
on.		improperly placed in
		the unit.
A question mark	•	The horizontal and	• Select Mode in the Image menu, select the correct video
appears in the lower		vertical	mode, and press Enter.
left of the screen		synchronization
when connecting to		signals from the
computer video.		computer video are
		not correctly polarized
		according to VESA
		video standards.
	•	The computer video
		signal is not a VESA
		or Mac standard.
Image off-center.	•	Image position.	• Center image with the Disc Pad of the control panel or on the
			remote control transmitter.
Cannot get entire	•	Wrong Tracking	• If vertical interference stripes occur, change the Tracking
image on the screen.		value.	value in the Picture menu for optimum performance.
	•	Compatibility	• Refer to the documentation for your graphic card. Change the
		problem.	Resolution setting in the Picture menu to the resolution of
			the video mode output from the computer graphic card.
Washed out image.	•	Wrong Contrast	• Change Contrast setting in the Picture menu. The bar
		setting.	should be in the middle position.
	•	Wrong Brightness	• Lower Brightness setting in the Picture menu. Choosing
		setting.	Brightness and pressing Enter can perform an automatic
			adjustment.
Humming noise.	•	Signal sources are	• Locate the source of disturbance. Disconnect the sources
Slowly passing		connected to different	one after another from the projector. Connect all sources to a
horizontal bars.		power sources.	common power source.
	•	VCR connected to	• Remove antenna connection from VCR. If the disturbance
		aerial system and to	disappears, use a by-pass filter (isolating transformer) to
		projector.	connect the antenna to the VCR.
	•	Bad signal.	• Try different input source.
Image is disturbed or	•	Wrong Sync setting.	• Set to factory default setting. (See below!)
unstable.	•		• Change Sync setting in the Picture menu for optimum
		Wrong Tracking	performance
		value.	• For vertical interference stripes, change the Tracking in the
			Picture menu for optimum performance.
No computer image	•	Loose cable.	• Check and secure cable connections.
projected. Message	•	No power to	• Turn on computer.
“Looking for signal		computer.
...” displays.	•	Wrong synchro-	• Adjust synchronization mode of the projector to the synchro-
		nization mode.	nization mode of the computer via Advanced Setup menu.
No video image	•	Loose cable.	• Check and secure cable connections.
projected.	•	No signal from video	• Check video picture on TV.
		source.
Mouse does not	•	Loose cable.	• Check and secure cable connections.
work.	•	Wrong connection.	• For PS/2 and ADB (Apple) mouse a special adapter is
	•	Wrong power up	necessary. Only use adapters from the original manufacturer
		sequence.	(Section 8-2).
			• The mouse emulation operates correctly only if the correct
			power up sequence has been used (refer to section 3-5.)
Image off-center.	•	Image position.	• Center image with the Disc Pad of the control panel or on the
			remote control transmitter.
Cannot get entire	•	Wrong Tracking	• If vertical interference stripes occur, change the Tracking
image on the screen.		value.	value in the Picture menu for optimum performance.
	•	Compatibility	• Refer to the documentation for your graphic card. Change the
		problem.	Resolution setting in the Picture menu to the resolution of
			the video mode output from the computer graphic card.
Washed out image.	•	Wrong Contrast	• Change Contrast setting in the Picture menu. The bar
		setting.	should be in the middle position.
	•	Wrong Brightness	• Lower Brightness setting in the Picture menu. Choosing
		setting.	Brightness and pressing Enter can perform an automatic
			adjustment.

 3M IPC 2000 3M Multimedia Projector MP8760 21