| 摘要 |
<p>The present invention is provided with: a USB interface (102) to which a USB removable drive device (200) is connected; a non-volatile memory (101) for storing USB removable drive device-specific information (210b) that is specific to the USB removable drive device (200) and drive allocation/fixation setting information (160) indicative of an association between the USB removable drive device (200) and a drive number, the non-volatile memory being built into a programmable display device (100); and a control unit (105) for allocating, to the USB removable drive device (200) connected to the USB interface (102), a drive number that has been associated by drive allocation information (150), when information that matches USB removable drive device-specific information (210) acquired from the USB removable drive device (200) connected to the USB interface (102) is included in the drive allocation information (150) stored in the non-volatile memory (101).</p> |
