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EM31Pro Harmonic Equatorial Mount -- Zero Position Calibration

The EM31Pro harmonic equatorial mount adopts a design of level zero position indication, which usually has higher accuracy than the mechanical zero position built-in in the equipment, and is easier to obtain accurate position without using analytical GOTO. In addition, the zero-position indication of the level is more flexible. Most harmonic equatorial mounts have an Alt/Az mode, and the mechanical zero position can only indicate either the zero position of the German equatorial mount or the zero position of the Alt/Az, which cannot be simultaneously considered and needs to be used in conjunction with an additional level. The horizontal zero position of EM31 pro can solve this problem. For the top-mounted mode of the EM31 Pro, the level can also provide equipment level indication. And manually setting the zero position every time can help avoid device collisions. This video will introduce the horizontal zero setting method in the EM31Pro equatorial mount mode.