| 摘要 |
A navigation device, programmable with map data and a navigation application that enables a route to be planned between two user-defined places; the device is operable to read a removable memory card storing the device operating system, the navigation application, and the map data. It does not need to store the operating system in mask ROM; hence, customisation for a specific country requires only that the appropriate memory card be inserted at the time of use.
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