| 摘要 |
PROBLEM TO BE SOLVED: To easily obtain a remaining distance from an arbitrary point to a destination point on a guide course, and to surely recognize it when reaching a point with a specified amount of remaining distance. SOLUTION: A CD block 8 mounted with a map CD-ROM 7 where a map data is stored, a key block 6 comprising a key for specifying a departure point and a destination point, and a CPU 13 wherein, using the map data, a course from the departure point to the destination point is calculated, and the obtained course is provided with a point symbol of specified interval according to a distance from the destination point for display on a monitor block 9, are provided. |
