{HEAD ~ A circuit} for enabling {TAIL ~ the use} of timing characterization data in a configurable light timer is described 
for enabling
{ HEAD ~ A circuit } for enabling { TAIL ~ the use } of timing characterization data in a configurable light timer is described
HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH