{HEAD ~ means} for assigning {TAIL ~ an effects observable command} from each of the plurality of command sets to one of said plurality of assignable user actuated switches or keys 
{ HEAD ~ means } for assigning { TAIL ~ an effects observable command } from each of the plurality of command sets to one of said plurality of assignable user actuated switches or keys
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH