What is the most critical part of the GPS navigator? In fact, it is the electronic map of the car used by it. Many consumers are not sure that some of the maps you buy are used to purchase special brand car electronic maps. Maybe some readers will say that this will not cause compatibility problems? Please rest assured that the electronic map used for navigation has been adapted to different versions of GPS navigators after several years of development, even including major car manufacturers Car GPS navigator.
Due to the rapid development of road construction nationwide in China, brand electronic map manufacturers need to invest a lot of manpower and material resources in surveying and mapping. Electronic map surveying and mapping requires field surveying and mapping to meet the requirements, so there are very high requirements for data comprehensiveness, accuracy and timeliness.
In addition, consumers should be reminded to prevent pirated maps when buying. Because the map used in a navigator accounts for most of the cost of the whole machine, because the OEM has to purchase the copyright of the map. The features of navigators that use pirated maps are that there are problems with information and position drift, crashes, information errors, inconvenience in use, etc. during navigation.
When purchasing a GPS navigator, pay attention to the POI (point of information) on the electronic map. Owners who often use GPS will definitely encounter the place they are going to, and there is obviously a lack in the POI list, or it is clearly no longer there, but it is still displayed in the POI list. This is a manifestation that information is not updated in a timely manner. Of course, at present, no brand can guarantee 100% accuracy of the electronic map, so the best way to keep the navigator constantly new is to upgrade it in time. So buy a GPS navigator and keep it fresh and dedicated. The number of POI points and the speed of map upgrades require constant attention.
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