Item DE90-AF firing system is worked by AC or DC power, which has the “test”function. Each channel could fire 20-30pcs igniters when use AC, about 10pcs when connecting DC. This system has the function of “salve fire””sequential fire”and ”step by step fire”. Time range for sequence is from 0.1-9.9 seconds. Moreover, “step by step fire” could alternate with “sequential fire”.

The whole firing system has 9 districts“A,B,C…I”. And there are 10 channels in each district. So it has 90 cues in total.