Just built the amp but cannot find anywhere it says what the INFO button is for? W5KDJ - Wayne Rogers USNR (Ret.) 3DA0KDJ 5R8KD 7P8KDJ A25KDJ C91KDJ SV0WWW TF2WJN YI9PSE YN2KDJ LoTW eQSL (No Bureau) Diplomacy is the art of saying 'Nice doggie!' until you can find a rock.