Therefore, the timing circuit 39 also generates {HEAD ~ a timing reset signal} to {TAIL ~ the control circuit} 38 to initiate the machine cycle 
to
Therefore , the timing circuit 39 also generates { HEAD ~ a timing reset signal } to { TAIL ~ the control circuit } 38 to initiate the machine cycle
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH