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