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