At present, the function of electronic dogs in all GPS is the function of the navigation map, that is, the electronic dog map with an electronic dog in the machine. "Anti -Test Speed Radar is a state banned product and is also banned by Taobao. "About GPS electronic dog function is as follows:

　　1. That is, there is a speed measurement information point at the crossroads in the GPS map, and the GPS will remind you voice.

　　2. There is no speed measurement point in the map, and it will not remind you. So you can't just rely on GPS to reverse speed measurement. There is a good way to help you solve: you can set the speed in the GPS yourself, and the speed of GPS will remind you to limit speed.

　　About GPS maintenance

　　To operate correctly, otherwise it will affect the service life of GPS. The correct way to operate is:

　　1. When using the page, you must first turn off the page and then the machine. If you do n’t turn off the page, you must directly check the machine. That is illegal operation.

　　2. The first three times of the machine will be poured in about 10 hours to make the battery storage capacity greatly played.

　　3. Move the car first, and then insert some cigarettes. After the navigation is ended, the cigarette lighter is removed, and the next time the car is launched, this will help protect the machine battery.

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