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3M
™
Pocket Projector MP180
© 2011 3M. All Rights Reserved.
English
A computer is connected to the projector but the projector will not display
the computer’s image.
• Unplug the VGA-audio cable from the projector and the home screen will
display on the touch screen.
• Plug the VGA-audio cable into the projector and the icon in the upper left
corner of the image will display the “VGA-Audio cable” icon. See “Video Mode
Icons” on page 19.
The projector is making a noise.
• The projector has a small fan for cooling the LED light source. The fan turns
on and off automatically based on the projector’s internal temperature. The
fan will turn on more often in warm environments or at high altitudes.
• The speakers make noise when the volume is set to high and nothing is
connected to the projector audio inputs. This is typical. Reduce the projector’s
volume setting to zero.
• The speakers may make noise when the component AV cable is not
correctly connected to the video device. There are two red connectors on
the component AV cable. One is for the right audio channel and the other
is for the Pr component video signal. If these connectors are switched, the
projected image will appear green and an abnormal noise will come from the
right speaker.
My video device is connected to the projector but the projector will not
display thevideo.
• Unplug the AV cable from the projector and the home screen willdisplay on
the touch screen.
• Plug the AV cable into the projector and the icon in the upper left corner of the
image will display the “AV cable” icon. See “Video Mode Icons” on page 19
• The video output on some devices is turned off by default. Please refer to the
device’s documentation for details on enabling the video output.