3M PS50C670 Operator's Manual page 27

Table of Contents

Advertisement

The Standby button
blinks red and the
lamp with not turn
on.
A question mark
appears in the lower
left of the screen
when connecting to
computer video.
Image off-center.
Cannot get entire
image on the screen.
Washed out image.
Humming noise.
Slowly passing
horizontal bars.
Image is disturbed or
unstable.
No computer image
projected. Message
"Looking for signal
..." displays.
No video image
projected.
Mouse does not
work.
Image off-center.
Cannot get entire
image on the screen.
Washed out image.
 3M IPC 2000
T H E T R U S T E D S O U R C E F O R P R O J E C T O R L A M P S A N D A C C E S S O R I E S
There is no lamp in
Put a 3M MP8760 lamp in the unit.
the unit.
Install the lamp again.
The lamp is
improperly placed in
the unit.
The horizontal and
Select Mode in the Image menu, select the correct video
vertical
mode, and press Enter.
synchronization
signals from the
computer video are
not correctly polarized
according to VESA
video standards.
The computer video
signal is not a VESA
or Mac standard.
Image position.
Center image with the Disc Pad of the control panel or on the
remote control transmitter.
Wrong Tracking
If vertical interference stripes occur, change the Tracking
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.
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.
Signal sources are
Locate the source of disturbance. Disconnect the sources
connected to different
one after another from the projector. Connect all sources to a
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.
Wrong Sync setting.
Set to factory default setting. (See below!)
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.
Loose cable.
Check and secure cable connections.
No power to
Turn on computer.
computer.
Wrong synchro-
Adjust synchronization mode of the projector to the synchro-
nization mode.
nization mode of the computer via Advanced Setup menu.
Loose cable.
Check and secure cable connections.
No signal from video
Check video picture on TV.
source.
Loose cable.
Check and secure cable connections.
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 position.
Center image with the Disc Pad of the control panel or on the
remote control transmitter.
Wrong Tracking
If vertical interference stripes occur, change the Tracking
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.
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
Multimedia Projector MP8760
21

Advertisement

Table of Contents
loading

Table of Contents