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Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Optimizing the noise canceling function to suit the wearer (NC Optimizer)
This function optimizes the noise canceling function by detecting the shape of your face, your hairstyle, how you wear
the headset due to the presence or absence of glasses, or the pressure change in an airplane.
It is recommended that you run the NC Optimizer function when using the headset for the first time, when the wearing
condition has been changed or when the air pressure changes between being on an airplane and on the ground, etc.
Put on the headset with the power turned on.
1
Press and hold the CUSTOM button for about 2 seconds until you hear the voice guidance say, "Optimizer
2
start".
Test signals will be heard during the optimization. When the optimizing process is finished, you will hear the voice
guidance say, "Optimizer finished".
About the instruction manual video
Watch the video to find out how to use the NC Optimizer function.
https://rd1.sony.net/help/mdr/mov0014/h_zz/
Hint
It is recommended that you run the NC Optimizer again after changing your hairstyle, removing eyeglasses worn on a daily basis,
or implementing other changes to the wearing conditions.
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