Solutions to common problems in the use of wireless microphone
Release time:
2024-05-28 17:09
Author:
Problems easy to occur
1、 Judgment and solution of channeling (also called channeling).
Judgment: There are two reasons for this type of situation,
First, the frequency of the two microphones in this compartment is too close,
Second, the frequency of the microphone in this compartment is too close to that in the nearby compartments.
Operation steps: The first time you hear that the guest reports that there is channeling, turn off the power of the microphone in this compartment in turn (you can turn off the left microphone first, then the right one; or turn off the right microphone first, then the left one; do not turn off both microphones at the same time). When a microphone is turned off, immediately observe the channel on the receiver corresponding to the microphone frequency, and observe whether the RF signal on the receiver is displayed.
The first case: if the RF signal is not displayed, you can shake another microphone that is not powered off, and observe while shaking. If you see the RF signal flickering when shaking, it means that the frequency of this compartment is interfered, and you need to solve it according to the following solution 1:;
The second case: If there are many RF signals displayed, turn off the other microphone immediately to see if there are still many RF signals. If there are no more RF signals, follow the solution 1 below; If both microphones are turned off or more RF signals are displayed, solve the problem according to solution 2.
Solution 1: You need to fine tune this frequency, add or subtract 0.3 MHz frequency to observe whether RF signal decreases. If there is a decrease, save the frequency of the least signal as the use frequency. If not, you can continue to try to increase the amplitude. It is better not to adjust the amplitude too much (if not, you can change to the standby frequency). You need to take into account the frequency of the nearby private rooms.
Solution 2: If the adjustment is full, it may be caused by other interference sources, or the receiver is faulty. Take the receiver out of the cabinet to see if there is still any. If there is no interference after taking out the cabinet, it is caused by equipment in the cabinet, and you need to move and change the location. If the cabinet is still available, it is recommended to send it back to the manufacturer for inspection. Conclusion: When the microphone is turned off during use, the receiver should not receive signals.
2、 Judgment and solution of frequency cutoff (also known as intermittent, tone cutoff).
Judgment: There are two reasons for this problem.
The first is that the receiver does not know which one to choose because it has received multiple similar interference signals, which causes intermittent reception congestion. Please refer to the previous operation steps for frequency hopping interference to determine this situation. The interference type of the channeling will also produce the sound breaking phenomenon.
The second is that the signal transmitted from the microphone to the signal received on the receiver antenna is weak, causing the received signal to deteriorate.
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