| 摘要 |
PURPOSE:To facilitate the reference position fitting work of a position measuring sensor and an operating member by operating a correction means and performing the correction operation so that a measured value conforms to a check criterion. CONSTITUTION:The operating member M is operated to an ultimate position at one side and the position measuring sensor S is set up so that the action to inform that the measured value is within a prescribed range is made from an information means P. Then, the correction means 18 is operated and the correction operation is performed so that the information output by the information means P informing that the measured value conforms to a reference value is made and when the correction means 18 is set to the correction position, the reference position of the position measuring sensor S coincides accurately with the reference position of the operating member M.
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