Control system 170 is set up by {HEAD ~ an operator} through the use of {TAIL ~ interface terminal} 176 
Control system 170 is set up by { HEAD ~ an operator } through the use of { TAIL ~ interface terminal } 176
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH