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For example, if the terminal black screen is recommended, it is recommended to make a review after shutting down. If it is still not displayed normally after turning on, it is recommended to contact the local dealer or return to the factory to deal with it.

Check whether the antenna is intact, whether the antenna is loose or damaged, or removes the intercom antenna to check whether there are foreign objects in the antenna interface. Excluding the above reasons, please contact the local authorized maintenance station or return to the factory for mainten......

DMR is an open digital standard formulated by the European Communications Standards Association. PDT is a professional wireless communication digital cluster standard formulated by China's independent intellectual property rights. Tetra is an open digital cluster standard formulated by the Europea......

The causes of errors may be: 1. Software use errors, 2. Written terminals are in a state of booting? 3. Does the writing frequency be the original factory standard writing frequency? 4. If the USB interface is connected to the computer, is it installed? Is the 5 port selection correct? Excluding the......

If you need to write frequency, you need to use lisheng the frequency -matching frequency line to connect to the computer. Specifically, you can contact the purchasing dealer.

By writing frequency software, you can add/change channels, and the configuration path in the frequency software: Edit-Conventional Settings-Channel-Digital Channel/Simulation Corridor, right-click, can operate, increase operation, delete, etc.