{HEAD ~ A method} 6 or 7 wherein said data acquisition routine is called at {TAIL ~ intervals} by a hardware generated clock interrupt 
{ HEAD ~ A method } 6 or 7 wherein said data acquisition routine is called at { TAIL ~ intervals } by a hardware generated clock interrupt
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH