A method for selecting a command set from {HEAD ~ a group} of {TAIL ~ command sets} stored in the remote control 
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A method for selecting a command set from { HEAD ~ a group } of { TAIL ~ command sets } stored in the remote control
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH