Hierarchisches Anzeigesystem für Fahrzeugnavigation

摘要

To improve the efficiency of a menu selecting operation by displaying not only a menu of a predetermined hierarchy but also at least one of the menus of the lower hierarchy corresponding to the former menu in order to effect a position retrieval according to the will of an operator as much as possible and to enhance the facility by displaying a landmark in an area corresponding to an input of the operator so that the landmark may be selected.