The control system comprises a detection unit detecting the light output of the luminaire and {HEAD ~ a control unit} using {TAIL ~ information} from detection unit to control the output of individual LEDs of the array 
The control system comprises a detection unit detecting the light output of the luminaire and { HEAD ~ a control unit } using { TAIL ~ information } from detection unit to control the output of individual LEDs of the array
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH