1. Installation problem

　　Many people don't know how to install it after buying. In fact, before buying, the general supplier will have some prompts or instructions. We only need to ask a few more words before buying. The conventional wired GPS positioner generally only connects only two lines, red crescent electricity, black negative electrode iron.

　　2. Lack of traffic cards

　　The traffic card is an indispensable part of the positioner. Before buying, you must ask whether there is a traffic card. If not, you need to buy the traffic card yourself. High -quality manufacturer equipment has a built -in SMS response mechanism. If you need to analyze the problem, remote SMS needs to be sent to the device by instruction, so you can ask if the traffic card can be opened to the SMS function.

　　3. Positioner online problem

　　The car GPS positioner started to go online after installation. At this time, you need to check whether you are connected to the Changdian. First check the line problem, and then check the equipment problem.

　　4. The problem of offline positioner

　　It is likely that the platform owed, or the flow card arrears or the traffic card expires. Re -re -establish a traffic card or allow the supplier to renew the cost platform. All manufacturers sell slogans: traffic is free for life, it is impossible. The flow fee is incurred every year.

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In addition to seeing if the GPS is accurate, please also pay attention to the GPS radiation