Navigation screen display
When in navigation mode, there will
be various indicators on the screen to
help you in operating your system.
1. Direction to destination
2. Distance to final destination
3. Estimated time to destination
4. Current directional heading and
GPS signal strength (color)
5. Vehicle icon (current vehicle
position)
6. ZOOM
7. PAN
8. DETOUR
9. VOICE
Principles of GPS (Global Positioning System) operation
Your Vehicle Navigation System directs you based on information derived
from satellites, road maps stored on the CD, sensors in your vehicle and the
desired destination. The system compiles all necessary information to guide
you to your selected destination. Space satellites determine the vehicle’s
current location and transmit position and time signals to your car.
If the vehicle has been parked for a long period of time, the navigation
function may be temporarily unresponsive. The navigation system will
operate reliably again once GPS reception is available in a few minutes.
Limited GPS reception
System performance may be adversely affected if GPS reception is
interrupted or interference occurs over a distance of several miles. The
following are possible causes for GPS reception being interrupted. If the
vehicle is:
• in multi-story parking garages
• in tunnels and under bridges
• in between high buildings
• by forests or tree-lined avenues
• in heavy rain showers and thunderstorms
• in valleys and in mountainous regions
2006 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)
Entertainment Systems
68
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