The connection box 46 recognizes {HEAD ~ the type} of {TAIL ~ event} and match the clock time, coming from the processing unit 48, to these events 
of
The connection box 46 recognizes { HEAD ~ the type } of { TAIL ~ event } and match the clock time , coming from the processing unit 48 , to these events
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH