| 摘要 |
A method for controlling playback of data recorded on an enhanced navigation medium is provided. The method comprises initializing at least a first playback engine of an enhanced navigation device, when an enhanced navigation mode is selected; entering a first playback state for at least the first playback engine, when an enhanced navigation engine preloads navigation information; and controlling media playback operations, in response to user interaction with a user interface of the enhanced navigation device; wherein the enhanced navigation engine controls a plurality of playback states based on the user interaction with a plurality of user interfaces of the enhanced navigation device.
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