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