{TAIL ~ 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 the output of {HEAD ~ individual LEDs} of the array 
{ TAIL ~ 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 the output of { HEAD ~ individual LEDs } of the array
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 OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH