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