An LED control signal calculation section outputs {HEAD ~ a control signal} to {TAIL ~ LED light sources} based on a light control value K1 as the higher one of K0 and Kmin 
to
An LED control signal calculation section outputs { HEAD ~ a control signal } to { TAIL ~ LED light sources } based on a light control value K1 as the higher one of K0 and Kmin
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH