| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve operability by making changeover operations of both pages to be performed with analogous changeover systems, by using an operation piece for changeover of the both pages of a musical instrument relation page and an WEB history page in common. <P>SOLUTION: A Next switch 47 and a Back switch 48 which are to be physically operated are provided in the periphery of a display device 19. The functions of these switches are set by a table according to a display mode. On a timbre selection screen in a musical instrument mode, a timbre selection page, consisting of a plurality of pages displayed in the main display area 45 of the display device 19, is displayed; and in a browser mode, a browser screen, such as a picture, a text is displayed. When, the Next switch 47 and the Back switch 48 are operated, a timbre selection page is sequentially changed to the right and to the left in the musical instrument mode and the display of a history page is changed forward and backward in time, in the browser mode. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
