Owners manual

Help Guide
Wireless Noise Canceling Stereo Headset
WH-CH700N
Using the AI noise cancelling function
AI noise cancelling is a useful function that automatically selects one of the noise cancelling modes. This function
provides the most effective noise cancelling mode by immediately analyzing ambient sound components.
Noise canceling mode types
NC Mode A: Suitable for noise that contains a lot of mid-low range sounds. Effective for general noisy environments.
NC Mode B: Suitable for noise that contains a lot of very low range sounds. Mainly effective for noise on buses and
trains.
NC Mode C: Suitable for relatively quiet and wide range noise. Mainly effective for office and office equipment noise.
Note
The noise cancelling mode returns to NC Mode A when:
the noise cancelling function is turned off, then turned on again.
the headset is turned off, then turned on again.
Related Topic
What is noise canceling?
Using the noise canceling function
4-729-821-11(2) Copyright 2018 Sony Corporation
When the headset is on, press and hold the NC button until beep sounds come from the headphones.
The headset starts analyzing ambient sound components (about 3 seconds).
During analysis, sound volume from the headphones is lowered and the indicator (green) flashes.
When analysis is completed, the most effective noise cancelling mode is set automatically, and sound volume from
the headphones returns to the normal.
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