| 摘要 |
A method of controlling the operations and display mode of an optical disc player between a user agent mode and a video playback mode. The method comprises reading a program stored on a local optical disc that may include a function that specifies the video playback mode as the operations mode for the optical disc player. In the video playback mode, in one case a user agent menu is displayed while displaying video menu, while in another case, video menu can be displayed while running the user agent menu in the background. The program may include a second function that changes the operations mode of the optical disc player to user agent mode where the user agent menu is displayed in the foreground of the displaying device. In one embodiment, these functions change the operations mode while also disabling the user control interface to prevent a user from changing the operations mode. In another embodiment, these functions change the operations mode of the optical disc player without disabling the user control interface, thereby allowing a user to change the operations mode of the optical disc player.
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