Troubleshooting, Problems Solutions | 3M MP7730 specification

Troubleshooting

	PROBLEMS	SOLUTIONS

		✓ 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.

		✓ Check that you have selected the proper input source to project.
	NO PICTURE	✓ Ensure that all cables are connected properly.
	NO PICTURE	✓ Adjust the brightness and contrast.
		✓ Adjust the brightness and contrast.
		✓ Remove the lens cap.

	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?

	POOR COLOR	✓ Select the correct video system.
	POOR COLOR	✓ Adjust the brightness, contrast, and saturation.
		✓ Adjust the brightness, contrast, and saturation.

		✓ Adjust the focus.
	IMAGE IS BLURRED	✓ Reposition the unit to improve its angle to the screen.
	IMAGE IS BLURRED	✓ Ensure that the distance between the unit and the screen is within the

		adjustment range of the lens.

		✓ 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.

		✓ Check the audio cable connection from audio input source.
	NO SOUND	✓ Adjust the audio source.
	NO SOUND	✓ Press VOLUME (+) button.
		✓ Press VOLUME (+) button.
		✓ Press MUTE button.

3M™ Multimedia Projector MP7730