
Troubleshooting
PROBLEMS | SOLUTIONS | |
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  | ✓ Plug the power cord into the AC inlet.  | |
NO POWER  | ✓ Plug the power cord into the power inlet.  | |
  | ✓ Wait 2 minutes after turning off the projector before turning it back on.  | |
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  | ✓ Check that you have selected the proper input source to project.  | |
NO PICTURE  | ✓ Ensure that all cables are connected properly.  | |
✓ Adjust the brightness and contrast.  | ||
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  | ✓ Remove the lens cap.  | |
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IMAGE ISN'T SQUARE ON  | ✓ Reposition the unit to improve its angle to the screen.  | |
SCREEN  | ✓ Is the vertical offset properly corrected using the keystone function?  | |
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POOR COLOR  | ✓ Select the correct video system.  | |
✓ Adjust the brightness, contrast, and saturation.  | ||
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  | ✓ Adjust the focus.  | |
IMAGE IS BLURRED  | ✓ Reposition the unit to improve its angle to the screen.  | |
✓ Ensure that the distance between the unit and the screen is within the  | ||
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  | adjustment range of the lens.  | |
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  | ✓ Replace the batteries with new ones. | |
REMOTE CONTROL  | ✓ Make sure there are no obstacles between the remote control and the unit.  | |
DOESN'T WORK  | ✓ Operate remote control within 4 meters (13 feet) of the unit.  | |
  | ✓ Make sure nothing blocks the receiver on the control pad.  | |
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  | ✓ Check the audio cable connection from audio input source.  | |
NO SOUND  | ✓ Adjust the audio source.  | |
✓ Press VOLUME (+) button.  | ||
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  | ✓ Press MUTE button.  | |
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© 3M IPC 2001  | 3M™ Personal Projector MP7630B/MP7730B  | 
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