2 System tour18Volume control/Mute knobThe 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.Multimedia keysAllow you to conveniently play, pause, stop, step forward, or step backa song or movie using your keyboard.Icon Key DescriptionPlay/Pause Press to start playing the audio track orvideo file. Press again to pause.Stop Press to stop playing the audio track orvideo file.Forward Press to skip forward to the next track orvideo file and start playing.
