Central controller loads the parameters into memory and calls {TAIL ~ an appropriate function} that uses {HEAD ~ the parameters} to carry out the desired performance of the equipment  
Central controller loads the parameters into memory and calls { TAIL ~ an appropriate function } that uses { HEAD ~ the parameters } to carry out the desired performance of the equipment
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH