The method 1, wherein the compensation voltage is determined by calculating a difference between {HEAD ~ the value} of {TAIL ~ the at least one parameter} and a fixed stored value and determining the compensation voltage from a stored relationship of differences to compensation voltages 
The method 1 , wherein the compensation voltage is determined by calculating a difference between { HEAD ~ the value } of { TAIL ~ the at least one parameter } and a fixed stored value and determining the compensation voltage from a stored relationship of differences to compensation voltages
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH