3M
Multimedia Projector MP8620
Troubleshooting
3M 1999
3-8
3-4-4.
Mouse Does Not Work
Probable causes are:
Loose cable.
Wrong connection.
Wrong power up sequence.
Possible solutions are:
The mouse emulation operates correctly only if the correct power up sequence has been used.
3-4-5.
Image Off Center
Probable causes are:
Image position
Center image with the arrow keys of the control panel or the disc pad on the remote control.
If vertical interference stripes occur, change the Tracking value in the Setup menu for optimum
performance.
3-4-6.
Cannot Get Entire Image on the Screen
Probable causes are:
Wrong Tracking value.
Compatibility problem.
Wrong pixel setting.
Possible solutions are:
Refer to the documentation of your graphic card.
The projector supports the resolutions that can be found under Pixel in the Setup menu.
Adjust the Pixel setting in the Setup menu to the resolution of the video mode output from the computer
graphic card.
3-4-7.
Washed Out Image
Probable causes are:
Wrong Contrast setting.
Wrong Brightness setting.
Possible solutions are:
Change Contrast setting in the Setup menu. The bar should be in the middle position.
Lower Brightness setting in the Setup menu. Choosing Brightness and pressing Enter performs an automatic
adjustment.
