Introduction to 5 common sense of stage lighting and sound inspection

　　Wonderful concerts and evenings, successful meetings, and small KTV boxes have more or less lighting and sound equipment.

　　The excitement of the concert and the touching of the evening are the heroes of the lighting and sound behind the success of the meeting. Therefore, for the colorful stage and the beautiful singing, the stage lighting and sound need to be continuously inspected and repaired. The following is a brief introduction to the small common sense of stage lighting and stage sound.

　　First, whether the housing of the lighting and sound is electrified

　　First of all, let's check the circuit problem, first check whether the power supply line is damaged, whether the phase of the electric line is correctly placed, whether the grounding of the equipment is correct, and whether the voltage selection is used correctly.

　　Second, check the volume of the sound system

　　Check whether the volume of the audio equipment is satisfied, and then check whether the power amplifier circuit is set correctly, whether the speaker connection line is strong, whether the power amplifier and the speaker are placed in the same position, whether the equalizer attenuation fluctuation is appropriate, and the control circuit of the compressor Is the level of energy appropriate?

　　Third, when disturbing noise occurs

　　When there is noise when the audio is in use, it needs to be disturbed by dimming. Check whether the audio and lighting power supply are separated, and then check whether the lighting power supply and control line are too close to the audio signal line, and whether the silicon box is away from the audio equipment. Too close.

　　Fourth, on the treatment of out of control lighting

　　Check whether the program of the manipulator is correct, whether the codes of all lamps are correct, whether the limit adjustment of the lamps is appropriate and whether the touch of the light power switch is outstanding.