Decreasing outside noise (Noise cancell function)
Turn the noise cancelling function toggle switch on.
![Ope Noise Cancel AHGC20](fig/Ope Noise Cancel AHGC20_IEDGILrjmqzeii.png)
The Charge/NC indicator lights white when the switch is turned on.
Turn the noise cancelling function toggle switch on.
The Charge/NC indicator lights white when the switch is turned on.