Control unit for a car navigation system for roads has a data store for optional destination addresses, an analyzing unit built into the vehicle and a display unit

摘要

A display unit (4) has an interface for a control unit connection. Fitted with operating elements for triggering a navigation system, the control unit forms a portable control device (6) and has a data cable (7) with a plug (8) for making a detachable mechanical electric link with an interface on an analyzing unit (1). The analyzing unit has an acoustic announcement unit (5) and links to an antenna (3) for detecting geographical data.