The invention provides a device and method for determining whether an incrementing forcer has stepped {HEAD ~ the proper number} of {TAIL ~ steps} required by command pulses provided to the motor forcer 
of
The invention provides a device and method for determining whether an incrementing forcer has stepped { HEAD ~ the proper number } of { TAIL ~ steps } required by command pulses provided to the motor forcer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH