Navigation System - Description & Operation
| Item Number | Description |
|---|---|
| 1 | Navigation system display module |
| 2 | Navigation system module |
| 3 | Navigation system antenna |
The navigation system utilizes the following functions.
- Voice guidance volume controlled via audio head unit
- Screen brightness controlled via on screen menus
- Key illumination controlled via vehicle dimmer switch
- Any key turns system "ON"
- Language choice controlled via on screen menus
The navigation head unit comprises of a 7' full color screen which also provides control of the phone, audio system, climate control, vehicle emergency messaging system (VEMS), voice control, and TV. The navigation module is situated in the luggage compartment on the left-hand side and is covered by a protective trim panel. The Global Positioning System (GPS) antenna is located beneath the parcel shelf trim.
The system utilizes signals from the GPS antenna, the ABS unit and the GYRO sensors signals to enable the navigation module to calculate, with the aid of DVD map data, the position of the vehicle. After entering the required destination, the driver is guided along by both visual guidance and voice instructions. Even, if the driver strays off the route, the system calculates a new route showing the easiest way back to the original destination. On route, it can also point out useful landmarks such as, petrol stations, restaurants, hotels, Jaguar dealers, and car parks.
The system also provides system interfaces such as TV and VEMS.
Japanese market vehicles only have a navigation module with integrated voice recognition for control of the navigation system. The Japanese system also has the addition of VICS which provides real time traffic information.