Navigation apparatus, navigation method and navigation program

A navigation method comprising the steps of:

• detecting a current position of a vehicle and producing current position data;
• performing various entries according to an operation of operating means;
• displaying on predetermined display means a map screen based on map data stored in map data storage means, the current position of the vehicle on the map screen based on the current position data, and a setting screen for selection of a function by the operation of the operating means;
• and
• predicting a next operation according to the operation of the operating means and a current situation, and changing the function on the setting screen according to results of prediction.

A navigation program for allowing a computer in a navigation apparatus to function as:

• map data storage means for storing map data;
• current position detecting means for detecting a current position of a vehicle and producing current position data;
• operation control means for performing various entries according to an operation of operating means;
• display control means for displaying on predetermined display means a map screen based on the map data stored in the map data storage means, the current position of the vehicle on the map screen based on the current position data, and a setting screen for selection of a function by the operating means;
• and
• operating function control means for predicting a next operation according to the operation of the operating means and a current situation, and changing the function on the setting screen according to results of prediction.