The control system 501 further comprises {HEAD ~ a control unit} 507 for controlling the light output of the luminaire 503, shown by a dashed line, on basis of {TAIL ~ the detected light}, and a reference generation unit 509, which is connected to the control unit 507 
The control system 501 further comprises { HEAD ~ a control unit } 507 for controlling the light output of the luminaire 503 , shown by a dashed line , on basis of { TAIL ~ the detected light } , and a reference generation unit 509 , which is connected to the control unit 507
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH