Lack of standards caused by navigation systems

A navigation device equipped with a genuine map, priced in the thousands or more, genuine navigator map upgrade is not free, ranging from hundreds to more than a thousand dollars. Select cottage navigator To avoid this cost, many owners tend to lose the wife of another soldier. Many cottage navigator claim to be the so-called "crack" version, not only as the genuine map normal use, but also a free upgrade. In fact, the synthesis of electronic map crack maps are simple, accurate poor, often referred to the wrong path. The cottage navigator key components and parts of poor quality, poor reliability of navigation software, unreasonable for the preparation of defective product reliability and low.

    Consumers in the purchase of Navigator to note the following points: First, not the price more expensive the better. The original navigator, or two or three thousand dollars brand navigator, the cost is actually almost the same, the difference is that the software, maps, upgrades and aftermarket. Second, do not be concerned about the additional features. Many people buy the navigator, too much emphasis on it whether there are additional features of the MP3, MP4, video playback, while ignoring the core navigation features. Sure to check the map in the purchase of Navigator is the original, with active detection capability, easy to upgrade and so on. Genuine electronic map, usually with the activation and anti-counterfeit labels. Third, the focus to consider the after-sales service. Navigator is the most crucial after-sales service, can be said that the third product, the seventh of service, service is the most central factors.

    Consumers not freeloaders to buy a cottage navigator, not easily from the Internet to buy such electronic products, it is best to formal businesses to buy the regular manufacturers navigator. The market a card for multiple machines, basically a pirated copy map products. Experts car dvd player and in car dvd player suggest that the navigation performance threshold should be set up as soon as possible, eliminate those convenient products to consumers. The same time, through the implementation of the certification system of navigation products, allow consumers to recognize the superior performance of the product, to avoid the inferior navigation to import stray.

    The survey found that the navigator hardware and software of poor quality, slow map updates, product reliability and low in three areas. Navigator error there are two main reasons, first, due to road traffic conditions change, navigator map does not update the guidelines resulting from deviation; Another reason is the navigator installed is pirated map. In addition, GPS positioning requires simultaneous reception of at least three or more satellite signals, but high-rise or viaduct is likely to make the receiver to lose lock of some satellites, and also make the data have a greater deviation.

    In the map data, It is understood that the strength of the vendors can do a quarterly update, nearly billion annual update costs, it also hinders the positive action of the manufacturers, or even switch to the embrace of the pirated map. The data update error message cause a detour road, the consequences of delay and piracy map gives users a very poor navigation experience.