IDA8 Global-Net User Manual138
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8. After the calibration is successful, the green LED will light up, and the DNM will start to work.
9. If the White Noise Level goes up to 0dB and the 'Under LED' is lighted up, the calibration has
failed at this time, and the DNM can't receive the calibration noise coming from loudspeaker,
please check:
Is the sound of loudspeaker is too small?
Is the distance too far between DNM and loudspeaker?
Is the DNM damaged?
10.If the White Noise Level goes down to -40dB and the over LED is lighted up, this means the
calibration has failed at this time, and the DNM received the sound too loud, please check: