{TAIL ~ A camera unit} 30 produces sixteen line sequential analog video signals that correspond to {HEAD ~ a scene} 32 
{ TAIL ~ A camera unit } 30 produces sixteen line sequential analog video signals that correspond to { HEAD ~ a scene } 32
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH