Can the GCX Respond to Program Change Messages?

Q & A for building and interfacing your rack gear with Ground Control Pro and GCX-based systems.
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jufros
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Joined: Sun Oct 18, 2009 8:29 pm

Can the GCX Respond to Program Change Messages?

Post by jufros » Sun Oct 18, 2009 8:31 pm

I'm currently using a Moog MP-201 and would like to take more advantage of its MIDI capabilities. The MP-201 can transmit a program change message when you switch patches and up to 4 CC messages. From what I gather, the GCX can only respond to CC messages though and can't actually store presets and recall them with PC messages. Am I right about this?

I don't need instant access to pedals but I do need to be able to load presets.

JohnClark
Posts: 7121
Joined: Tue May 05, 2009 2:33 pm
Location: The Lab

Re: Can the GCX Respond to Program Change Messages?

Post by JohnClark » Mon Oct 19, 2009 11:55 am

The GCX responds to CC 80 - 87 on MIDI channel 16. A data value of 0-63 turns the loop Off and 64-127 turns the loop On. A "preset" simply consists of these 8 MIDI CC messages with the appropriate on or off command for each loop.

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