... button, then it will light up the red light, press on the finger tips buzzer, ring "Di" , raised ... waiting for it light red up once again, Press on the same finger, if right acquisition is to ... 5V alkaline batteries, battery full, showed signs of solid battery, if battery voltage lower than 4.5V ... . or External power supplySeven, the system initialization Press on the green button for 5 seconds, the system ...