Operation Manual

3M
™
Pocket Projector MPro120
24 © 2009 3M. All Rights Reserved.
English
Troubleshooting
The projector will not turn on.
s 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.
s The battery is installed in the wrong orientation. See “Install Battery” on page 12.
s Hold down the power button until the projector powers up.
The Status Indicator is flashing red when the power button is held down.
s The battery needs to be charged. See “Charge the Battery” on page 14.
The image is not visible or is very dim.
s The 3M MPro120 is a battery operated projector and requires controlled lighting
conditions. The image may appear very dim in brightly lit rooms.
s Make sure the status indicator is green. This indicates that the projector is powered on
and projecting an image.
s Project the image onto a flat, white surface.
s Decrease the light on the surface where the image is being projected.
s Decrease the size of the image.
s 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.
s 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.