A printer, controlled by the microprocessor, presents a permanent record of the battery analysis, while a display unit, under {TAIL ~ program control}, directs an operator in the use of {HEAD ~ the analyzer} 
A printer , controlled by the microprocessor , presents a permanent record of the battery analysis , while a display unit , under { TAIL ~ program control } , directs an operator in the use of { HEAD ~ the analyzer }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD