| 摘要 |
<p>A selection screen is displayed on an operation panel. The selection screen contains a plurality of menu icons each corresponding to an instruction arranged in an arch shape. When a user selects one menu icon at the selection screen, a selection screen after change is displayed. In the selection screen after change, the selected menu icon is displayed on a certain position and non-selected menu icons are displayed while maintaining their positional relation with the selected menu icons.</p> |
