As before, the processor 128 can be a conventional microcomputer suitably programmed to carry out {HEAD ~ the various control and processing functions} of {TAIL ~ the machine} 
As before , the processor 128 can be a conventional microcomputer suitably programmed to carry out { HEAD ~ the various control and processing functions } of { TAIL ~ the machine }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL