After adjusting the control signal, a second number of shock events is detected in response to {HEAD ~ the shock detector} operating at {TAIL ~ the initial shock threshold} 
After adjusting the control signal , a second number of shock events is detected in response to { HEAD ~ the shock detector } operating at { TAIL ~ the initial shock threshold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL