| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device capable of easily grasping distances on a map for a user even when a reduced scale of the displayed map is changed. SOLUTION: A control device 8 immobilizes real distances of intervals of a plurality of displaying marks without relying on the change of the reduced scale of the map due to map reduced scale modifying processing. COPYRIGHT: (C)2009,JPO&INPIT |
