2 System tour
20
Volume control/Mute knob
The volume control/mute knob controls the speaker volume.
Turn it clockwise or counterclockwise to adjust the volume.
Press it to toggle between mute and sound.
WU8711tfsjft`FO/cppl!!Qbhf!31!!Npoebz-!Bqsjm!8-!3114!!4;15!QN