How to Compare Auto Navigation Systems
Global Positioning Systems are used to pinpoint geographic locations. This technology is used in automobiles to help motorists to find particular locations within their area or when traveling to other destinations. When comparing auto navigation systems, features such as map coverage and ease of use are important criteria for making a decision.
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Coverage/Detail
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Navigation systems sold within the U.S. should include maps of the states and territories and some units will include maps of other countries such as Canada. Maps on navigation systems are usually obsolete within two to four years and consumers should check to see if their units include updated and accurate information.
Routes and Usage
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Motorists should be able to choose their travel route from their car navigational system. User-friendly elements such as spoken directions, screen size, simple menus and colored maps should be taken into consideration when deciding on a navigational system.
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Considerations
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System processing for GPS units is another important aspect of automotive navigational systems because it allows the map to constantly update your position. Consumers might also consider a GPS unit that has dead reckoning capability since this feature estimates a motorist's position when the system has lost reception.
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