How to avoid failure of each component in the stage audio supporting system

　　The digital effector in the stage audio supporting system is the audio peripheral equipment that processes and produces various sound field effects and reverberation effects. Here are some problems that need to be paid attention to when using the effector and the place where the effector is prone to failure:

　　1. In the construction of the project, for the sake of beauty and professionalism, many technicians like to install the effector in the cabinet. This seems to be normal and reasonable, but because the effector is most easily interfered by external signals, there are many equipment in the cabinet. Coupled with the relatively long signal line from the cabinet to the mixer, these will seriously interfere with the effector, resulting in a lot of noise in the signal sent by the effector to the mixer. Therefore, when installing the equipment, it is best to place the effector next to the mixer, but not stack it with wireless microphones, disc players and other equipment. Such a convenient operation can flexibly change the effect we need; another most important thing is to reduce the interference. I believe that many sound engineers are not aware of this, and everyone can do their own experiments.

　　2. There are some effect devices. When we choose a good effect program, we also need to press the "lock" button, otherwise the number of the program keeps flashing, indicating that the program has not been activated. At this time, unless we know the original common program, Otherwise, don't blindly lock another unknown effect program, because the sound from some effect programs is "terrifying and weird", and the signal output level of some programs is still very high. If you choose such a program by mistake, it may cause Severe mic feedback or severe vocal deterioration.

　　3. Now, when most effectors change from one program to another, there is a transition time in the middle. During this time, there is no effect output in the effector. Although it only takes less than a few seconds, if It is still noticeable when changing effects during a performance, and we should try to avoid this phenomenon.

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What details should be paid attention to in the on-site operation of stage audio?