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