Detailed use of car navigation

All GPSs do not receive satellites indoors or the signal is very weak. It is common knowledge to receive signals only outdoors.

The correct way to search for signals is:

1. Fixed the search signal, do not move, because walking GPS is not easy to locate.

2. Open the machine to the navigation interface, click on the upper right corner of the navigation interface. Signal sign, you can see the number of satellites received, 3 normal positioning, 5 navigation. <Our StarCraft GPS can receive 7-12 satellite navigation signals normally, which is enough for you.

3. Open the right side of the machine and the GPS receiver module receives the signal at 90 degrees from the machine.

4. Speed ​​of receiving signals: two concepts involved

(1) Cold start meaning: It is the first time that GPS searches for a satellite called cold start, which is usually slow.

Different GPS search stars have different speeds. Some GPS cold start searches for satellite time is 1 minute, some are 1 point, about 1 minute to 2 minutes, and some are 2 points.

(2) Hot start meaning: After restarting within 2 hours, it is a hot start, and the hot start is the fastest.

It is usually 1-2 seconds to find the satellite. 2 hours - 4 hours is warm start

About electronic dog

At present, all the electronic dog functions in GPS are provided in the navigation map, that is, the electronic dog map is in the machine. "Anti-speed radar is a national ban on goods, but also Taobao banned. "About the electronic dog function in GPS is as follows:

1. It is the speed measurement information point of the intersection in the GPS map, GPS will remind you.

2. There is no information point for measuring speed in the map, it will not remind you. So you can't rely solely on GPS to reverse speed. There is a good way to help you solve it: you can set the speed yourself in the GPS. When you are overspeed, the GPS will remind you to speed limit.