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