To better guide the operator during this “walk,” the best fit between {HEAD ~ the reference template} and {TAIL ~ each} of the first and second paced signals is simultaneously displayed 
To better guide the operator during this “ walk , ” the best fit between { HEAD ~ the reference template } and { TAIL ~ each } of the first and second paced signals is simultaneously displayed
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH