Use method: Sargent jump with two feet or one feet with the help of a run-up. In the meantime, stretch out the arm to touch the height marker.

使用方法：原地双脚起跳或器材侧面助跑单脚起跳。同时充分伸直上肢去触碰标高。

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Ensure that the height marker is on zero graduation: Fall down the cylinder to check, if any deviation, adjust the two screws of the height marker.

检查定位标是否对零线：将重锤放下观察定位标上刻线是否与零线重合，有偏差时可调整定位标两侧的螺钉。

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Ensure that the height marker is on zero graduation: Fall down the cylinder to check, if any deviation, adjust the two screws of the height marker.

检查定位标是否对零线：将重锤放下观察定位标上刻线是否与零线重合，有偏差时可调整定位标两侧的螺钉。

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