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