The control triggers one of the electronic switches to conduct and discharge {HEAD ~ the capacitor} in {TAIL ~ response} to a predetermined response speed 
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The control triggers one of the electronic switches to conduct and discharge { HEAD ~ the capacitor } in { TAIL ~ response } to a predetermined response speed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH