Jiangmen vehicle navigatorThe map database of the system comes from a variety of channels, of which the most important source is the supplied block database. For a good vehicle navigation system, the number, accuracy and timeliness of maps are very important. No matter how accurate the coordinates and directions provided by GPS are, if your navigation system cannot provide the map of your area, or the map provided is wrong, your system can be said to be worthless. Therefore, when purchasing the on-board satellite navigation system, pay attention to the following matters:

Top of the list, check the accuracy of the test system.

Choose one or two roads you are familiar with, or newly closed hotels, and see if the system can accurately show the location of cars. Because streets and road sections are always changing, it is also necessary for your system to provide regular update services.

Third, the picture appears.

The picture display of the vehicle navigation system can be installed on the steering wheel of a car, and can also be projected onto the screen of a laptop or even a handheld computer. In order to adapt to different weather and light conditions, it is necessary to meet the strong brightness, size and consistent resolution under the picture display screen.

文章源自Jiangmen vehicle navigatorhttp://m.leakdamagelaws.com/