Satellite signals are the basis for GPS to locate and navigation. If you cannot search for satellite signals, then GPS navigation cannot be navigated, which means that your GPS is just a scrap iron. There are 3 cases that cannot search for satellite signals in general GPS:

　　1. GPS belongs to the cottage in the cottage, and the "use period" is short.

　　2. The satellite signal is weak, and you can work normally after adjusting the position.

　　3. Drives from other electrical appliances in the car, it can be used normally after exclusion.

　　Simple judgment and solution:

　　To identify the reason why the satellite signal cannot be searched, you can try to locate on an empty square. Satellite signals are easier to capture on the empty square, and electrical interference in the car can be excluded. If in this case, it is still impossible to search for satellite signals, then 99%may be that your GPS belongs to a cottage in a cottage, and you should negotiate with the purchase merchant for replacement or even refund.

　　If you cannot search for signals in the car, when you are close to the window or even the window, you can get a weak signal. We can judge that it is the second case. The ability of GPS Star Search is closely related to the hardware of GPS. Generally, the navigator has built -in antennas. The built -in antenna is relatively small. The receiving original satellite signals are relatively weak, and they cannot even search satellite signals. Owners can choose to install GPS amplifiers to enhance GPS signals.

　　When using a variety of electrical appliances, such as driving recorders, GPS cannot be used normally. Well, the reason why the GPS signal cannot be searched is most likely the result of the interference of electronic products. Because the signal frequency band is too close, it leads to mutual interference. The owner can choose to use only one of the electrical appliances, or try to wrap the circuit board with tin foil to eliminate the interference by itself.

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