Debugging points of wireless microphones in KTV audio equipment

　　1. In the environment without professional radio equipment, it is not suitable to adjust the handheld wireless microphone (transmitter), but the adjustable wireless microphone receiver, the adjustment steps are as follows:

　　2. Open the cover of the wireless microphone receiver, and use an old battery with a lower voltage on the handheld wireless microphone.

　　3. Turn on the power of the handheld wireless microphone and the wireless microphone receiver, put the handheld wireless microphone on your chest, turn your back to the wireless microphone receiver, walk towards the distance while shouting, find a blind sound position, and set this position as the blind sound reference point.

　　4. Shut down, find the antenna access point on the circuit board of the wireless microphone receiver, and find the first adjustable capacitor, or adjustable resistance, or inductance along the antenna input circuit, (choose one, Prioritize the first device), make a mark in place, and fine-tune a little in the counterclockwise or clockwise direction.

　　5. Turn on the phone, put the handheld wireless microphone on your chest, turn your back to the wireless microphone receiver, and walk to the blind tone reference point while shouting. If the blind tone area disappears, the adjustment is successful. If you fine-tune a little counterclockwise, you can change it to a clockwise direction to fine-tune a little, and you will be successful after one or two times.

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