These two signals GH and GL are routed along with Data1 from counter 12 to {HEAD ~ a means}, represented by {TAIL ~ block} 30, for interpreting the signals GH and GL 
These two signals GH and GL are routed along with Data1 from counter 12 to { HEAD ~ a means } , represented by { TAIL ~ block } 30 , for interpreting the signals GH and GL
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH