| 摘要 |
A graphic system has a first display processor and a second display processor. The first display processor displays a first scroll bar on a screen. In the first scroll bar, a first scroll knob is provided and a scale, which is associated with information displayed on the screen, is provided. The graphic system further has a scroll controller that scrolls the information in accordance with the movement of the first scroll knob. When a given operation is carried out during the display of the first scroll bar, the second display processor displays a partial range of the first scroll bar as a second scroll bar. In the partial range, a first scroll knob is included. Then, the second display processor defines the scale of the second scroll bar as the scale of the partial range. The scroll controller scrolls the information in accordance with an operation performed on the second scroll bar.
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