In many of these embodiments, an impact force measurement associated with a test of a moveable barrier operator is obtained and {HEAD ~ an impact force signal} representing {TAIL ~ the impact force measurement} is generated 
representing
In many of these embodiments , an impact force measurement associated with a test of a moveable barrier operator is obtained and { HEAD ~ an impact force signal } representing { TAIL ~ the impact force measurement } is generated
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH