Car GPS Navigator [汽车改装知识]

Speaking ofcarGPS navigators are well known to car owners. Some people say yes, some are too expensive. Anyway, every year, many businesses spare no effort to promote this kind of products that are at the cutting edge of the times. In the market, there are countless products of car GPS navigator, valued at thousands of yuan or even tens of thousands of yuan.In addition to the traditional map navigation function of these products, the addition of an "electronic dog" function is still understandable, but such things as MP3, video More and more miscellaneous functions such as frequency entertainment, financial management functions, notebook, album functions, etc. are also being stuffed into the car GPS, and become the key recommended functions of the merchants, which is really puzzling. There are two reasons for incomprehension. First of all, I talked about the car GPS navigator, the main function of course is GPS positioning and map navigation. According to an industry insider, the biggest problem with GPS navigators is that the maps are not new enough. In particular, the roads in some cities in China are changing rapidly. Larger cities are undergoing renovations, infrastructure construction, expansion and rectification of old roads, completion of new roads, and so on every day. If the car owner does not regularly update the map data in the product, he can only be "blindly directed" by the GPS. At present, the GPS maps provided by many manufacturers may not be able to synchronize with the "reality" even after you update them. In addition, the lack of accuracy in positioning is also a problem with most car GPS navigators on the market, especially when the vehicle passes through a tunnel, GPS cannot locate it. When you get lost in the wild, based on relevant national policies and regulations, civilian GPS cannot report the precise latitude and longitude of your location. Because the position coordinates and the direction of the car measured by GPS satellite navigation and autonomous navigation have certain errors with the actual route trajectory. At present, our country's GPS uses all satellite positioning of the United States. Someone once joked that if the United States is a little bit turbulent, all GPS will be paralyzed. Having said so much, I just want to say that the most important technical problems and thresholds for car GPS navigation are here. Secondly, how many users who use car GPS will use other functions such as MP3 and photo albums on GPS navigators? Now even mobile phones have MP3 and video entertainment functions. Others such as ipod, MP4, digital cameras, etc., for manufacturers, adding some entertainment or memory expansion functions to the car’s GPS navigation, the technology is not only Not difficult, and the cost is not high. As car owners, I am afraid that more people are accustomed to throwing GPS navigators on their cars instead of carrying them with them. Even if it's a "portable type", that guy finds it cumbersome. Therefore, as a product with "positioning and navigation" as its life, it is really unnecessary to "mix a foot" with entertainment digital products. Recently, when the author bought a car GPS navigator, many merchants strongly recommended these "fancy" functions of GPS. They told me that buying a product to get multiple functions is very "worth". Are you selling navigation products or a powerful entertainment product? For this reason, the author is deeply puzzled. Related: ·Interesting car naming
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