The processing unit obtains at least one first waveform from the storage unit, and writes {HEAD ~ the first waveform} to the ballast via {TAIL ~ the first interface} 
The processing unit obtains at least one first waveform from the storage unit , and writes { HEAD ~ the first waveform } to the ballast via { TAIL ~ the first interface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL