The processing unit transmits an illumination signal to the ballast via the first interface, such that the ballast controls {HEAD ~ the illumination} of {TAIL ~ the lamp} according to the first waveform 
of
The processing unit transmits an illumination signal to the ballast via the first interface , such that the ballast controls { HEAD ~ the illumination } of { TAIL ~ the lamp } according to the first waveform
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 OTH OTH