Solutions to common problems in the use of wireless microphones
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- Time of issue:2022-01-14
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(Summary description)Operation steps: The first time you hear the guest's feedback that there is a phenomenon of channeling, first turn off the power of the microphones in this private room in turn (you can turn off the left one first, then the right one; or turn off the right one first, then turn off the left one; Do not turn off both microphones at the same time).
Solutions to common problems in the use of wireless microphones
(Summary description)Operation steps: The first time you hear the guest's feedback that there is a phenomenon of channeling, first turn off the power of the microphones in this private room in turn (you can turn off the left one first, then the right one; or turn off the right one first, then turn off the left one; Do not turn off both microphones at the same time).
- Categories:News
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- Time of issue:2022-01-14
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Solutions to common problems in the use of wireless microphones
easy problems
1. The judgment and solution of frequency channeling (also known as channeling sound).
Judgment: There are two reasons for this type of situation.
The first is because the frequency of the two microphones in this private room is too close,
The second is that the frequency of the microphone in this private room is too close to the frequency of the microphone in the nearby private room.
Operation steps: The first time you hear the guest's feedback that there is a phenomenon of channeling, first turn off the power of the microphones in this private room in turn (you can turn off the left one first, then the right one; or turn off the right one first, then turn off the left one; Do not turn off both microphones at the same time). In the case of turning off a microphone, immediately observe the channel on the receiver corresponding to the frequency of this microphone, and observe whether the above RF signal is displayed.
The first situation: if the RF signal is not displayed, you can shake another microphone that is not turned off, and observe while shaking. If you see the RF signal flashing when shaking, it means that the frequency of this private room is interfered and you need to Follow the solution 1 below to solve;
The second situation: if there are more RF signals displayed, immediately turn off the power of the other microphone and observe whether there are more RF signals. If both microphones are turned off or more RF signals are displayed, follow the solution 2 to solve.
Solution 1: This frequency needs to be fine-tuned, plus or minus 0.3MHz frequency to observe whether the RF signal is reduced, if there is a reduction, save the frequency with the least signal as the frequency of use. If not, you can continue to increase the amplitude and try, it is best not to adjust the amplitude too much (if not, you can change the spare frequency), you need to take into account the frequency of nearby private rooms.
Solution 2: If it is full no matter how it is adjusted, it may be caused by other interference sources, or the receiver is faulty. Take the receiver out of the cabinet to see if it still exists. If it is gone after taking out the cabinet, then It is the interference of the equipment in the cabinet, and it needs to be moved to change the placement position. If the cabinet is still there, it is recommended to send it back to the manufacturer for testing. Summary: When the microphone is turned off during use, the receiver should not receive a signal.
2. Judgment and solution of off-frequency (also known as intermittent, staccato).
Judgment: There are two reasons for this problem.
The first is that the receiver does not know which one to choose because the receiver receives multiple similar interference signals, so it causes intermittent reception congestion. For the judgment of this situation, please refer to the previous operation steps for frequency hopping interference. . The type of interference of frequency channeling will also produce the phenomenon of stuttering.
The second is that the received signal is degraded due to the weak signal transmitted by the microphone to the receiver antenna.
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