total of 50 programs, each program can do a single step, 5 steps or a maximum of 10 steps machining (option) and each step includes 12 kinds of maching parameters. by using the joemars fuzzy logic control system, the oper......total of 50 programs, each program can do a single step, 5 steps or a maximum of 10 steps machining (option) and each step includes 12 kinds of maching parameters. by using the joemars fuzzy logic control system, the operator can get a total of 9600 sets of machining parameters which can also be modified at any time during sparking without affecting the stored parameters.