Well there are two types, soft patch and hard patch. A hard patch involves plugging in different circuits to dimmers (by hand). A soft patch is done on the controller but does the exact same thing. For example, you have 4 par cans plugged into different circuits within the theater, say circuit 25, 34, 46, and 49, but you want to control these cans on channels 1-4 on your controller. You must patch these into channels 1-4. Of course this would not apply to those four channel dimmer packs that operate on one 20 amp circuit.
Does this make any sense?
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