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Jeff Evans wrote: > Hello everyone, > Does anyone out there have a Ground Control manual (paper or pdf) > that I can get my eyes on? The only thing I could find when I was investigating this unit was this Harmony Central forum: http://www.harmony-central.com/Effects/Data/Digital_Music_Corp/Ground_Control-01.html From what I can tell, the switches only do program changes. You can plug in two CC pedals, but there are mixed reviews on how well this works. According to one reviewer you must use volume pedals rather than expression pedals (apparently they compensate for the logarithmic taper in a volume pedal). The 7-pin cable allows it to use MIDI phantom power, though not many devices supply phantom power. It was intended for use with the CGX switching system. It is certainly not usable for controlling an EDP or any other device that requires control changes or notes. Jeff