The graph of FIG 4 represents magnitude values of the output of {HEAD ~ the analog} to {TAIL ~ digital converter} 44 as the media 12 is transported in the longitudinal direction from its initial starting point 
to
The graph of FIG 4 represents magnitude values of the output of { HEAD ~ the analog } to { TAIL ~ digital converter } 44 as the media 12 is transported in the longitudinal direction from its initial starting point
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH