... all the time) ,then open the switch(on back machine. red color), input four passwords (1,2,3 ... (press all the time), then open the switch(on back machine. The red color), input four old passwords 1, ... all the time), and then open the switch(on back machine. red color) , input four passwords. The number ... mistakes in the course of setting up, The machine will send out the alarm automatically.5. Operating ...