3M MP220 Operator's Manual page 20

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3M Pocket Projector MP220
Volume Up/Down
The volume up and down buttons adjust the volume for media such as videos and
music. The volume buttons also adjust volume for audio input through the VGA-A/V
port.
Display Volume Level: Press the volume up or down button to display the volume
slider.
Increase or Decrease Volume: Press the volume up button to increase the audio
volume or press the volume down button to decrease the audio volume.
Quickly Increase or Decrease Volume: Press and hold the volume up button
to quickly increase the audio volume or press and hold the volume down to quickly
decrease or mute the audio volume.
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