When counter has attained {HEAD ~ a given T1 count}, the High Voltage Power Supply Latch 152 is set The Lamp Latch 154 is set when another count is reached by {TAIL ~ counter T1} 
When counter has attained { HEAD ~ a given T1 count } , the High Voltage Power Supply Latch 152 is set The Lamp Latch 154 is set when another count is reached by { TAIL ~ counter T1 }
OTH OTH OTH OTH HEAD 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 OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL