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Chapter 14

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.