Sony MDR-1000X Owner's Manual

Wireless Noise Canceling Stereo Headset

MDR-1000X

Optimizing the noise canceling function to suit the wearer (Personal NC

Optimizer)

This function analyzes the wearing condition such as the face shape, hair style, and presence or absence of eyeglasses to

optimize the noise canceling performance. It is recommended that you perform this function when using the headset for the first

time.

Make sure that the noise canceling function is turned on (the indicator (green) lights up).

Wear the headset.

Press and hold the NC button until you hear voice guidance “Optimizer start” (for about two seconds).

While optimizing, you will hear test sounds.

When the optimizing process is finished, you will hear voice guidance “Optimizer finished”.