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