3M
Multimedia Projector MP8620
Troubleshooting
3M 1999
3-7
3-4.
General/Projection Image Troubleshooting
Past experience has shown the following problems are most common:
3-4-1.
Image is Disturbed or Unstable
Probable causes are:
Wrong sync setting
Wrong tracking value
Possible solutions are:
Set to factory default setting (refer to Appendix C-2).
Change Sync setting in the Setup menu for optimum performance.
For vertical interference stripes, change the Tracking in the Setup menu for optimum performance.
3-4-2.
No Computer Image Projected
Message No input detected is shown.
Probable causes are:
Loose cable.
No power to computer.
Wrong synchronization mode.
Possible solutions are:
Check and secure cable connections.
Turn on computer.
Adjust synchronization mode of the projector to the synchronization mode of the computer via Option
menu.
3-4-3.
No Video Image Projected
Probable causes are:
No signal from video source.
Check and secure cable connections.
Check video picture on TV.
Possible solutions are:
Check and secure cable connections.
For PS/2 and ADB (Apple) mouse, a special adapter is necessary.
Only use adapters from the original manufacturer.
