| 摘要 |
In a capacitance type of non-contact sensor for detecting the position of an object to be detected, such as dielectric material, a detection gain is changed in a first case where the object to be detected is placed in a first position and also in a second case where the object to be detected is placed in a second position, and an offset value is adjusted for each gain to bring an output value to a predetermined value. The adjusted offset values are stored in order to define a gain and an offset value at a point, where the offset values in the first and second cases are closest, as adjustment values.
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