The conventional use of the battery life is generally 2-3 years, and the life of the battery charging plug-in and plugging is generally 300 times. Improper operation of the battery charging will easily damage the battery. Slowly drop.
Read MoreThere is no effect on the life of lithium batteries and nickel -metalized batteries in the intercom. For the memory effect due to the memory effect, the battery is shortened. Therefore, the nickel -cadmium intercom machine battery must be charged after discharge.
Read MoreCheck whether the antenna center is bad, whether the antenna and antenna head are connected to dirt, and whether the antenna is broken. When using it in daily use, please grab the intercom correctly, do not hold the antenna to pull, and do not pull the antenna, otherwise it will easily lead to poor......
Read More1. You can only use an antenna that is used or recognized. The unspeakable antenna may damage the intercom or the provisions of the Radio Administration of the Ministry of Information Industry after being converted or added. 2. Do not get an antenna with your hands when using it. 3. The intercom a......
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