2 Select an external sound control mode.
R [Adaptive (Auto-optimization)] is turned ON: It continuously adjusts to your ears and
surrounding environment, ensuring that noise cancelling is always at its most effective
level. (You cannot adjust the level of external sound control.)
R [Adaptive (Auto-optimization)] is turned OFF: You can adjust the level of external
sound control.
Noise Cancelling: The closer to Max (100), the more noise is removed.
Ambient Sound (Transparent): The closer to Max (100), the more external sound is
transmitted.
R [Ambient Sound] has Transparent and Attention modes.
If you select “Off” or “Ambient Sound” (Attention), you cannot adjust the level of external
sound control.
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Convenient Function