Hmm, that's not normal. Try a factory reset: hold down the footswitch while plugging in the power supply. If that doesn't fix the issue, please send a note to contact(at)sourceaudio.net. We'll get you going.The Aftershock seems like a cool pedal, but fresh outta the box the tone knob doesn’t work on mine. Is that common? Do I need to get an app and make some settings?