The output signal of {HEAD ~ the comparator} is used as an alarm signal to actuate an alarm or {TAIL ~ a protective means} for a patient in contact with the neutral electrode 
The output signal of { HEAD ~ the comparator } is used as an alarm signal to actuate an alarm or { TAIL ~ a protective means } for a patient in contact with the neutral electrode
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH