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Common Problems & Solutions
PROBLEMS TRY THESE SOLUTIONS
NO POWER
Plug the power cord into the AC Inlet.
Plug the power cord into the power Inlet.
Wait two minutes after the projector has been turned off
before turning the projector back on.
NO PICTURE
Check that you have selected the proper input source.
Ensure all cables are connected properly.
Adjust the brightness and contrast.
Remove the lens cap.
IMAGE ISN’T SQUARE
ON THE SCREEN
Reposition the unit to improve its angle on the screen.
Use the keystone correction function key on the control
panel of the projector or the remote control unit.
POOR COLOR
Select the correct video system.
Adjust brightness, contrast, or saturation.
IMAGE IS BLURRED
Press the Auto key on the control panel of the projector
or the remote control unit to get better picture quality.
Adjust the focus.
Reposition the unit to improve its screen angle.
Ensure the distance between the unit and screen is
within the adjustment range of the lens.
REMOTE CONTROL
DOESN’T WORK
Replace the battery with a new one.
Make sure there is no obstacle between the remote
control and the unit.
Stand within 4 meters (13 feet) of the unit.
Make sure nothing is blocking the receiver on the control
pad.
26
3M
Personal Projector MP7720
© 3M IPC 2000
Table of Contents
29


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