| 摘要 |
<p>An in-vehicle information apparatus according to the invention includes a main unit having a display device, and a navigation unit providing a navigation function to the main unit. The navigation unit includes a navigation processing unit which executes a process concerning the navigation function, a sub unit providing an addition function to the navigation unit, and a navigation unit screen generating unit which generates a navigation unit screen for displaying information concerning a function which the navigation unit provides. The main unit includes an operation unit which receives an input for selecting a function from a user, a main unit screen generating unit which generates a main unit screen for displaying information concerning a function which the main unit provides, and a video selector which selects one of the navigation unit screen and the main unit screen and provides the selected one to the display device. The addition function provided by the sub unit is executed by an interruption process, and the video selector selects one of the navigation unit screen and the main unit screen based on the function inputted to the operation unit and the addition function executed by the interruption process.</p> |
