It also introduces a method according to the actual situation to put a fixed resistance combination of potentiometer, and it improved the accuracy of circuit.
本文还介绍了一种根据实际情况把电位计和固定电阻结合的方法，提高了电位计在电路中的精度。
3
If in the regulation of the resistance value of the process, hand beating phenomenon, the existence of the fault of bad contact potentiometer.