Turn the bezel dial to Time, Ride, Compass, or speed and record the total vertical, number of runs, speed and altitude of your kick-ass powder day.
打开面板拨号时间，平顺，指南针，或速度和记录总垂直，一些运行，速度和高度的揭幕驴子粉一天。
The compass can increase the rotating speed of a dial so as to improve the precision.
该罗盘可以提高刻度盘的旋转速度，进而提高精确度。
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