- A Brief Guide to Sat Nav Vehicle Navigators

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.

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.

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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.

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Satellite Navigation system

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.

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The perfect solution for mounting portable satellite navigation units in vehicles

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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.

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In-car GPS navigation system

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.

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