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