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