The controller 52 thus receives as input a temperature that is {HEAD ~ approximately the average} of {TAIL ~ the temperatures} sensed by the sensors 80 for each shorted pair of electrodes 66 
The controller 52 thus receives as input a temperature that is { HEAD ~ approximately the average } of { TAIL ~ the temperatures } sensed by the sensors 80 for each shorted pair of electrodes 66
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH