| 摘要 |
When a volume of magnetic information to be recorded in a film exceeds a recording capacity of the film, a part or all of the magnetic information is recorded in an outer record medium. At this time, ID information which identifies the outer record medium is recorded in a leader track on the film, so that the film can correspond to the outer record medium. An ID number, for example, is used as the ID information. When the magnetic information is read out from the film, the ID information which identifies the outer record medium is read out at first. Then, it is judged whether the outer record medium is used or not. If the outer record medium is used, the magnetic information is read out from the outer record medium, and various kinds of processing are carried out in accordance with the readout magnetic information and the magnetic information which is recorded on the film.
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