It will be appreciated that {HEAD ~ the step} of resetting {TAIL ~ counter} 40 could also be a step of presetting the counter to a predetermined number, for example in the case of an embodiment that uses a count down counter to reach a predetermined count 
of resetting
It will be appreciated that { HEAD ~ the step } of resetting { TAIL ~ counter } 40 could also be a step of presetting the counter to a predetermined number , for example in the case of an embodiment that uses a count down counter to reach a predetermined count
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH