ATEIS IDA8 User Manual
Page 187
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Product Features
187
© 2012 ATEÏS
12.After the calibration is successful, the green LED will light up, and the DNM will start to work.
13.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?