| 摘要 |
(a) setting a number of refocusing times, determining whether a focusing is made; executing time delay, decreasing by '1' the set number of refocusing times, and if the refocusing is made as many as the set number of refocusing times, ejecting a disk or stopping a play operation; (b) setting all kinds of various numbers; (c) reperforming the step (a); (d) executing a refocusing operation according to the set various numbers; e) moving next song to the song existing on the track in which the step (d) is executed.
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