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3M
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Pocket Projector MPro120
24 © 2009 3M. All Rights Reserved.
English
Troubleshooting
The projector will not turn on.
• The battery is not installed or the power adapter is not connected to the projector and a
working wall outlet. Test the electrical outlet by plugging another electrical device (like a
radio) into the wall outlet and confirm that the wall outlet works.
• The battery is installed in the wrong orientation. See “Install Battery” on page 12.
• Hold down the power button until the projector powers up.
The Status Indicator is flashing red when the power button is held down.
• The battery needs to be charged. See “Charge the Battery” on page 14.
The image is not visible or is very dim.
• The 3M MPro120 is a battery operated projector and requires controlled lighting
conditions. The image may appear very dim in brightly lit rooms.
• Make sure the status indicator is green. This indicates that the projector is powered on
and projecting an image.
• Project the image onto a flat, white surface.
• Decrease the light on the surface where the image is being projected.
• Decrease the size of the image.
• When there is nothing connected to the projector, it will project a white image with the
red 3M logo.
The projector is displaying a question mark.
• The projector does not support the video or computer input signal. Switch to a video
or computer signal that the projector supports. See “Supported Computer Signals” on
page 27.