| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly convenient navigation system, a method of generating route, etc. SOLUTION: When no node exists at a set destination G1, the navigation system outputs the main purpose of selecting a tentative destination TG and the information on the destination TG. The navigation system is constituted to output warning information when the distance between the tentative destination TG and set destination G1 is longer than a set specific value. |
