Methods to Select High Quality Navigation

First, select chip: for the navigation products, what we are most concerned about is definitely its ability to receive satellite signal and reception ability. At present, the most of car GPS on the market take the third generation chip of SiRFStarIII, and the advantages of this type of chip is that it can capture and track the signal in a sheltered and the bad weather conditions to alleviate the signal interference brought by the skyscrapers. In addition, the performance of chip is directly related to the accuracy of calculated path. The different chips may appear different routes, such as the route of mazda navigation dvd may be different from the other brands, even go to the same destination, and we need the best route.



Second, select brand: the products of famous brand not only have quality assurance, but also can enjoy free upgrade service for a certain number of years. International brands including vw navigation dvd, Mio series, as well as the brands from Europe. There are also various domestic brands. It is said that selecting the brand is actually in the selection of after sales service. For GPS navigation products, the follow-up service is more important, because the map is updated in real time. The different vendors access to map data from different sources, and there are many ways for the free updates. We should have good understanding at the time of purchase to avoid some unnecessary trouble.

Third, select map: the electronic navigation map is another important component of the GPS navigator's work, and the correction of electronic navigation map directly determines whether the owner can easily reach their destinations more quickly. In the current market, whether domestic or fully imported, built-in car GPS products map is nothing but only a few map the resources, the quality is uneven, and often cannot update the map information in a timely manner bringing the inconvenience to the user. In general, the formal GPS navigator will provide one year of free updates, and offer free update service about 2 times. But you need to pay a fee for the update after the 2 times. In general, the GPS map will be updated every half a year, and there are some vendors updating the data every three months and the upgrade will be finished by downloaded through the network, and is also relatively simple.

Fourth, select speed: the speed includes the speed of receiving the signal, boot speed, and speed of response. Due to we have to pay attention to car safety and car traveling at high speed, then the faster speed can improve the accuracy of vehicle navigation, but also can save the user's operating time, and save time.

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