Display lights such Settings are also used to see at a glance, do not have to guess what they are in what mode and do not know the state of the toothbrush, in this regard, a point like.

显示灯这样的设置也让人使用起来一目了然，不用啥猜自己是在用什么模式和不知道牙刷的状态，这方面要点个赞。

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After that, rotating the sensitive axis of the gyro to point the true north, the instrument is working in the azimuth mode to constantly display azimuth angle of the carrier.

在实现寻北功能后，再通过施加力矩的方法使陀螺仪主轴转到真北方向，使系统工作于方位仪模式，则陀螺主轴就能始终保持在真北方位上，不断地指示车体相对北向方位的方位角。

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