Controlling my Mark IV channels with the GCX

[Dror520]

Hello, can some one tell how to connect the external switching form the my amp to the GCX? thanks!

 

[srommes]

Just use the outs on your GCX. ie Loop 1 out on the GCX would go to R1 input on the back of the Mark IV. Loop 2 out on the GCX would go to R2 input on the back of the Mark IV etc. You can also use one loop to control 2 things by using the sends on the GCX as well. Just make sure the dial on the back of the Mark IV is switched to external FS.