... ,F,L,E,0,1,2,3,4,5,6,7,8,9 “Black”), can randomly be ... the encoded displaying contents, the high digit of LCD will blink at the same time,press C_KEY ... ,4,5,6,7,8,9 “Black”)as displaying contents of the high digit of the LCD;then ... 3,4,5,6,7,8,9 “Black”)as displaying contents of low digit of the LCD.4.2 ... button pressing or no input signal changing, the LCD back light will turn to energy saving status after ...