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