| 摘要 |
<P>PROBLEM TO BE SOLVED: To easily use a specific service that does not depend on the key arrangement of a remote control unit. <P>SOLUTION: A control unit 40 presents key operation about a specific service in broadcast service on a display device as a menu item. If an item is selected from among menu items for operation, based on the operation signal from an input 31, it controls the presentation operation of service according to the item that is performed, to allow use of a specific service. Neither the input 31 nor a remote control unit 50 are required to be separately provided with an operation key assigned with a function for a specific service, and a specified service can be utilized easily without conducting operations on an the operation key, provided separately for the specific service. <P>COPYRIGHT: (C)2007,JPO&INPIT |
