A system for detecting movement of a forcer of a motor directed for effecting {HEAD ~ movement} of {TAIL ~ a forcer} in a first direction in response to command pulses 
of
A system for detecting movement of a forcer of a motor directed for effecting { HEAD ~ movement } of { TAIL ~ a forcer } in a first direction in response to command pulses
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH