| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an operation display device that can facilitate a call to a main menu screen of every category divided at each content function of the operation display device. <P>SOLUTION: The operation display device 11 which has displaying means 15 for displaying a content screen or the like, a main menu screen storing means 14 for storing a main menu screen of every category divided in advance at each content function, a main menu screen switching means 13 for calling the main menu screen, and a display information control means 16 for deciding a display content displayed on the displaying means 15, has the category-specific main menu screen and the main menu screen switching means 13 for every category. A user can thus easily select the main menu screen of a target category, so that the user's operation for calling the main menu screen of every category is facilitated. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
