A response detector provides {HEAD ~ a response code output representative} of the pattern based upon {TAIL ~ the most frequent code} read out from the response memory 
A response detector provides { HEAD ~ a response code output representative } of the pattern based upon { TAIL ~ the most frequent code } read out from the response memory
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH