| 摘要 |
A PORTABLE DIGITAL TELEVISION (DTV) COMPRISES A PROCESSOR AND A NAVIGATIONAL BUTTON ARRANGEMENT. THE PROCESSOR OF THE PORTABLE DTV CONTROLS THE NAVIGATIONAL BUTTON ARRANGEMENT TO HAVE AT LEAST A BI-MODAL OPERATION. IN ONE MODE OF OPERATION, THE NAVIGATIONAL BUTTON ARRANGEMENT PROVIDES A NAVIGATIONAL INTERFACE TO A USER AND, IN ANOTHER MODE OF OPERATION, THE NAVIGATIONAL BUTTON ARRANGEMENT PROVIDES AN INTERACTIVE APPLICATION INTERFACE TO THE USER. |
