... ,M,F,L,E,0,1,2,3,4,5,6,7,8,9 “Black”)as displaying contents of the high digit ... ,M,F,L,E,0,1,2,3,4,5,6,7,8,9 “Black”)as displaying contents of low digit of ... F1 pin, it will display the mark “INSPECTION”; Set it as 2, when there is input in F1 pin, it will display ... F2 pin, it will display the mark “INSPECTION”; Set it as 2, when there is input in F2 pin, it will display ...