Right side DRIVE Knob: Controls the gain of Morning Star circuit. * TONE Knob: Controls the treble frequency of Morning Star circuit. * LEVEL Knob: Controls the volume of Morning Star circuit. * Footswitch: Engage/disengage Morning Star circuit. Hold it for 1 second, you can turn on/off SHINE mode. * SHINE Indicator: While you engaged SHINE mode, the indicator will turn on.