| 摘要 |
PROBLEM TO BE SOLVED: To carry out the menu operation of an electronic musical instrument by using a keyboard.SOLUTION: In an indicator 14, a menu screen for each hierarchy in a menu list of a hierarchical structure is displayed, and mutually different pitches are individually assigned to a plurality of menu items in each hierarchy of the menu list. When a button 16d is pressed to set a keyboard menu mode, a menu item is selected by pressing a key 16b corresponding to a pitch assigned to a menu item, and a musical sound of a corresponding pitch is sounded. |
