Tones pedal sound very reverby and loss in volume?

[puddleofmud]

tonex pedal is sounding very reverby. increasing volume doesn't help just a sudden drop in volume, the amp changes don't sound any character just very silent and reverby. left it on and then went back to playing and it just sounds weird. Maybe my kid had a go at the pedal while i was away and messed up some setting. don't really understand what's happening here...