Q & A for building and interfacing your rack gear with Ground Control Pro and GCX-based systems.
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In order to control multiple GCX Switchers with a non DMC/Voodoo Lab controller the second, third, and forth GCX units will require a custom chip to force them to respond to a different set of Control Change numbers. In your case you would want to get a GCX #2 chip for your second GCX. Give us a call or send an email to email@example.com to order the necessary chip.