| 摘要 |
PROBLEM TO BE SOLVED: To allow a user to instantly and immediately confirm the contents of a plurality of screens toward lower layers on the basis of a simple one operation to buttons (keys), so as to easily confirm screens on the lower layers and easily confirm a layered structure.SOLUTION: A display input device includes a display unit and a touch panel unit for receiving operations to buttons displayed on the display unit. When the touch panel unit receives a predetermined first operation, the display unit starts display in a list display mode; in the list display mode, the display unit displays screens of respective layers, which are selected to go down the layers one by one from a screen in a layer immediately below the screen to which the first operation is performed toward the lower layers, in a list in order from the screen in the upper layer, as reduction screens reduced in size compared with that in a normal mode, within the predetermined number of screens. |
