It will be recognized that difference signal E 246 can be biased by adjusting the weighting factors a and b toward {TAIL ~ average voltage control}, rms voltage control, or a selected weighted combination of {HEAD ~ average voltage} and rms voltage control 
It will be recognized that difference signal E 246 can be biased by adjusting the weighting factors a and b toward { TAIL ~ average voltage control } , rms voltage control , or a selected weighted combination of { HEAD ~ average voltage } and rms voltage control
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH