| 摘要 |
Disclosed is a head shifting apparatus for shifting a head relative to a recording medium, which includes a shifting mechanism for shifting the head stepwise, and detecting apparatus for detecting when the head reaches a predetermined reference position. Control apparatus controls the shifting mechanism in such a manner that the head is shifted in a first shifting mode where the head is shifted on the basis of a predetermined first shifting step unit increment until the head reaches the reference position. Then it performs normal recording or reproducing. The head is shifted in a second shifting mode where it is shifted on the basis of a predetermined second shifting step unit increment larger than the first shifting step unit increment.
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