{HEAD ~ An optional automatic light control sub system} provides {TAIL ~ greatly extended dynamic range} with control inputs derived from an amplifying detector included in each receiver to maximize occurrences of valid data points 
provides
{ HEAD ~ An optional automatic light control sub system } provides { TAIL ~ greatly extended dynamic range } with control inputs derived from an amplifying detector included in each receiver to maximize occurrences of valid data points
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH