TomTom Navigator Navigator 4 Manual del usuario - Página 42
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How does navigation work?
How does navigation work?
Global Positioning System (GPS)
In order to navigate you to your destination, your TomTom NAVIGATOR must
know where you are now. To find your current position, your
TomTom NAVIGATOR uses the Global Positioning System (GPS). GPS is available
for free and without subscription.
The GPS uses satellites to transmit signals to GPS receivers. Using the GPS signal,
your TomTom NAVIGATOR can work out where you are and how fast you are
going. GPS signals work in all weather, anywhere in the world.
Note: Your TomTom NAVIGATOR does not transmit your position, so others
cannot use it to track you while you are driving. You can however send your
position to TomTom Buddies. For more information, visit
www.tomtom.com/plus
Maps
Once your NAVIGATOR knows where you are and you have told it where you want
to go, it uses the digital map on the memory card to work out the best route to your
destination.
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