... displaying company LOGO.4.5 Set the mark if F1 is effective Press F_KEY to display FL, 00 will ... modification:set it as 1, when there is input in F1 pin, it will display the mark “INSPECTION”; Set it ... as 2, when there is input in F1 pin, it will display the mark of “OVERLOAD”; Set ... value will have nothing to do with the setting of F1. 4.7 Exit of programming Keep pressing F_KEY for ...