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1. When the walkie-talkie is transmitting, keep the walkie-talkie in a vertical position, and keep the throat microphone at a distance of 2.5-5 cm from the mouth, and the walkie-talkie is at least 2.5 cm away from the head or body.
2. Do not turn on and off multiple times during use, and at the same time adjust the volume to a volume suitable for your hearing.
