3M
™
Mobile Projector MP225a
© 2011 3M. All Rights Reserved.
23
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Adjusting the Volume
Press the Volume Up or Volume Down button to adjust the sound. A volume bar will
appear on the screen to help you set the volume level.
Muting the Volume
Press the MUTE button to mute the volume. An icon will appear on the screen to
indicate the current setting. To restore the volume, press the MUTE button again.
If you press the Volume Up or Volume Down button while the volume is muted, the
volume will also be restored, but from an initial volume level of zero.
Checking the Battery Level
To check the battery, press the Battery Status button. A battery bar will appear on
the screen indicating the amount of charge currently in the battery.
