| 摘要 |
PROBLEM TO BE SOLVED: To provide terminal equipment capable of reducing load of communication, and lowering the charge for a telephone call. SOLUTION: This terminal equipment 106 is equipped with a simplified map. When a map is required, it is checked whether the map of a required place exists in the simplified map or not. If the map exists, the map of the required place existing in the simplified map is loaded, and if the map does not exist, down load of the map from a navigation server 102 is executed. |
