Patent attributes
The display control device includes: display control means for displaying a plurality of button groups each having at least one button in a monitor and for focusing and displaying any of the buttons displayed in the monitor; and button changing means including an in-group button changing operation unit for changing the button to be focused, from one button to another in a button group, and an inter-group button changing operation unit for changing the button to be focused, from a button of one button group to a button of another button group. In case the button to be focused is changed by the inter-group button changing unit from the button of one button group to the button of another button group, the display control means focus and display a specific button of the button group changed.