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 {TAIL ~ individual LEDs} of the array 
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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 { TAIL ~ individual LEDs } of 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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH