Using this two dimensional map, the scan logic 20 correlates {TAIL ~ the sensor output} with the two dimensional map during subsequent motions of the media to monitor the media position in {HEAD ~ two dimensions} and to generate control signals governing the motors 48a, 48b through the position control logic 46 in accordance with received positioning commands 
Using this two dimensional map , the scan logic 20 correlates { TAIL ~ the sensor output } with the two dimensional map during subsequent motions of the media to monitor the media position in { HEAD ~ two dimensions } and to generate control signals governing the motors 48a , 48b through the position control logic 46 in accordance with received positioning commands
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH