1. DS-120, DS-80 power amplifier equipment has the phenomenon of microphone silence
Due to electrostatic interference, the prefabricated parameters of the DS-120 and DS-80 power amplifier devices may be lost. When the power indicator of the power amplifier switch is turned on, but there is no sound from the microphone, please debug again and search for the frequency of howling The detailed debugging of this fault can be found in the specific debugging manual. The simple operation is as follows:
A. Only one main microphone is left, and the other microphones are pulled out first.
B. Press and hold the "SET" button, and then turn on the power of the power amplifier. After about 3 minutes of debugging, the power amplifier will return to normal.
C. Insert other microphones, fine-tune the volume of each microphone to the appropriate level, and the debugging is over.
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