... programming4.1 Programming Operation of Encode input display content:Press F_KEY button to display FL, 00 will blink at ... digit of LCD will blink at the same time,press C_KEY incremental button to select among(B,G,M ... contents of the high digit of the LCD;then press F_KEY button to switch to low digit and it ... 1 as factory default.4.3 Select encode form:Press F_KEY button to display FL, and 00 blinks ...