... go, later, shows the standard farmar value shine, will the sparkle of the Jordan farmar value in Jordan farmar ChengPan, the display"-- " ... or PCS key ", about 2 seconds show another standard farmar value, will be the second display of the values of the standard ... moist, vibration, air and in electric will influence the accuracy of near products.5, avoid violent shaking, be born or vibration products ...