More particularly, the invention relates to {TAIL ~ calibration} of D.C. restoration level signals that provide {HEAD ~ automatic offset control} of the signals from the array 
More particularly , the invention relates to { TAIL ~ calibration } of D.C. restoration level signals that provide { HEAD ~ automatic offset control } of the signals from the array
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH