Channel hopping is performed upon detecting an interruption of communication, such that a scan is performed through an array of {TAIL ~ channels} selected from {HEAD ~ the plurality} of channels 
Channel hopping is performed upon detecting an interruption of communication , such that a scan is performed through an array of { TAIL ~ channels } selected from { HEAD ~ the plurality } of channels
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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH