Plot A represents the values stored in the memory 50 as a map of {HEAD ~ the scan path} 22 during {TAIL ~ movement} of the media 12 on its initial pass 
Plot A represents the values stored in the memory 50 as a map of { HEAD ~ the scan path } 22 during { TAIL ~ movement } of the media 12 on its initial pass
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH