Of course, {HEAD ~ the threshold level} may be set by electronic means, or embodied as {TAIL ~ a computer readable medium} including instructions for setting the motion threshold 
embodied as
Of course , { HEAD ~ the threshold level } may be set by electronic means , or embodied as { TAIL ~ a computer readable medium } including instructions for setting the motion threshold
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH