As long as the periodic pulse is detected by the slave processor, {HEAD ~ the output} of {TAIL ~ the master processor} remains enabled and the output of the slave processor is disabled 
of
As long as the periodic pulse is detected by the slave processor , { HEAD ~ the output } of { TAIL ~ the master processor } remains enabled and the output of the slave processor is disabled
OTH 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 TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH