| 摘要 |
On a sub-display 14c, a plurality of first user-defined keys 53, bank switch keys 51 and an edit key 52 which are software keys are displayed. Immediately below the sub-display 14c, second user-defined keys 50a to 50d which are hardware keys arranged as if the arrangement of the first user-defined keys 53 were extended are provided. The sub-display 14c also displays user-definition name areas 54 for displaying respective names of user-definitions assigned to the second user-defined keys 50a to 50d. By a manipulation of one of the user-defined keys, a function assigned to the manipulated user-defined key is executed. By a manipulation of the edit key 52, a setup screen on which the display size and the like of the first user-defined key are specified is displayed on a main display. |
