| 摘要 |
<p>PURPOSE:To provide the map display system which enables easy return to an original display area after the display area of a map to be displayed on the screen of an image display device is changed. CONSTITUTION:The position of a display area 2 is stored by pressing a 'mark' designation switch 4 when the display area 2 in an entire map area 1 managed by a map display device is displayed on the screen of the image display device, and the display on the screen is returned to the original display area 2 by pressing a 'return' designation switch 5 after the display on the screen is moved to a display area 3 by scrolling, etc.</p> |
