Sat nav GARMIN

Car navigation systems determine the vehicle’s location and help the driver to reach the destination point by the most convenient route. They use signals from satellites to operate. An integrated microprocessor uses data on radio waves distribution speed and the time between sending and receiving the signal to calculate the distance to radio signal sources. The device determines its position by using the known locations of several satellites. This data is then displayed on a map on the screen.

Car navigation systems: 7 important facts

1. The devices differ by numerous parameters, including the number of channels for tracing the satellites, CPU frequency, random access memory capacity. Mostly, Windows CE or Android are used in such gadgets. But some manufacturers produce devices with proprietary operating systems.
2. The functions of these car accessories include warning the driver about turns ahead or road sections with certain speed limitations. Moreover, many car navigation systems can provide real-time information about roadworks, traffic jams, etc.
3. The catalogues include devices with different time of autonomous operation, from 30 minutes to several hours. After that, the accessory needs charging.
4. Manufacturers offer displays with various diagonal sizes. On average, it is from 3.5 to 7 inches. A bigger screen can display more data. At the same time, small screens take up minimum space on the dashboard.
5. Car navigation systems can be purchased as a kit with fasteners. As a rule, they include a bracket or holder you can use to secure the gadget.
6. Standard installation locations are the windscreen and the front panel. The devices should not be mounted over the airbags. Moreover, you should make sure the device does not obstruct car driving while remaining always within your sight. The inclination angle of the screen should allow watching the route with comfort.
7. To protect the screen from damage, cover it with a special film. During its cleaning, you should follow the manufacturer’s recommendations. Usually, soiling can be removed with a dry soft cloth and there is no need to use chemical cleaning agents.

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