means responsive to the timing signals for generating a second input signal having a frequency equal to {HEAD ~ the timing signal frequency} divided by {TAIL ~ a second factor}; and 
divided by
means responsive to the timing signals for generating a second input signal having a frequency equal to { HEAD ~ the timing signal frequency } divided by { TAIL ~ a second factor } ; and
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH