A Brief Guide to Sat Nav Vehicle Navigators
Satellite navigation brings Space Age technology into your daily life. Forget paper maps: through the wonders of the Global Positioning System (GPS), you can sit at the wheel of your car and be guided from A to B with the aid of a machine the size of a pack of playing cards. The new portable sat nav units work 'straight-out-of-the-box': just buy one, put it in your car, and away you go.
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How it Works
Your little sat nav unit is a receiver linked to a network of satellites orbiting the Earth. The satellites help the receiver to pinpoint its precise position on the surface of the Earth, to within a few metres. Add maps and some computer technology, and your sat nav can guide you anywhere you want to go.
Choosing a Sat Nav
There are dozens of sat nav models to choose from. Some of them simply stick to their job of getting you to where you want to go; others are virtual in-car entertainment and communication systems, with a price tag to match.
Jargon Buster
What kind of coverage do you want, and can you download more POIs? If you don't have an auto-dimmer, can you always see the 3D mapping? And should you insist on dynamic re-routing? This jargon buster should help you find out.
Do I Need Sat Nav
Sat navs are extraordinary tools, and can be of immense benefit to certain kinds of driver. But do you fall into any of those categories?
Sat Nav Features
The newest sat nav units can do far more than talk you through your journey. They can warn you about 'safety cameras', and act as a hands-free telephone or MP3 player.
Safety Factors
Sat navs have been shown to make driving safer, provided that they are used properly. Here are a few tips to avoid danger on the road, and theft.