3M 1998 3M Multimedia ProjectorMP8610 17
Section 8: Troubleshooting

8-1. Troubleshooting Problems

The MP8610 has been designed to be as simple and as trouble free to use as possible. If you run into

problems when using the MP8610, consult the following chart.

Problem Probable Cause Possible Solution
Image is disturbed or
unstable. • Wrong Sync setting.
• Wrong Tracking
value.
• Set to factory default setting (refer to Appendix C-2).
• Change Sync setting in the Setup menu for optimum
performance (refer to Appendix C-1).
• For vertical interference stripes, change the Tracking in
the Setup menu for optimum performance (refer to
Appendix C-1).
No computer image
projected. Message
No input detected is
shown.
• Loose cable.
• No power to computer.
• Wrong synchronization
mode.
• Check and secure cable connections.
• Turn on computer.
• Adjust synchronization mode of the projector to the
synchronization mode of the computer via Option menu.
No video image
projected. • Loose cable.
• No signal from video
source.
• Check and secure cable connections.
• Check video picture on TV.
Mouse does not work. • Loose cable.
• Wrong connection.
• Wrong power up
sequence.
• Check and secure cable connections.
• For PS/2 and ADB (Apple) mouse a special adapter is
necessary. Only use adapters from the original
manufacturer (refer to section 3-5.).
• 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 arrow keys of the control panel or
the disc pad on the remote control.
Cannot get entire
image on the screen. • Wrong Tracking
value.
• Compatibility
problem.
• Wrong Pixel setting.
• If vertical interference stripes occur, change the Tracking
value in the Setup menu for optimum performance.
• Refer to the documentation of your graphic card. The
projector supports the resolutions that can be found under
Pixel in the Setup menu (refer to Appendix C-2).
• Adjust the Pixel setting in the Setup menu to the
resolution of the video mode output from the computer
graphic card.
Washed out image. • Wrong Contrast
setting.
• Wrong Brightness
setting.
• Change Contrast setting in the Setup menu. The bar
should be in the middle position.
• Lower Brightness setting in the Setup menu. An automatic
adjustment can be performed by choosing Brightness and
pressing Enter.
Humming noise.
Slowly passing
horizontal bars.
• Signal sources are
connected to different
power sources.
• VCR connected to
aerial system and to
projector.
• Bad signal.
• Locate the source of disturbance. Disconnect the sources
one after another from the projector. Connect all sources to
a common power source.
• Remove antenna connection from VCR. If the disturbance
disappears, use a by-pass filter (isolating transformer) to
connect the antenna to the VCR.
• Try different input source.
No power
Power shuts off
during presentation
• Power switch off.
• Projector overheated.
• Turn on power switch to projector.
• Remove any objects blocking ventilation and allow
projector to cool down. Power will return and projector
will be in Standby mode.