Sony VGN-TT11LN/B User Manual page 79

Before You Use the Noise Canceling Headphones
❑ You can enable the noise canceling function only when the supplied noise canceling headphones are connected to the
headphones jack that supports this function.
❑ The noise canceling function does not work on sound output with the following devices:
❑ External speakers
❑ Headphones without the noise canceling function
❑ Sound output devices connected to your computer via a Bluetooth connection
❑ The noise canceling function cannot be in full effect unless you properly wear the headphones. Be sure to fit each
earpiece of the headphones tightly into your ears.
If you feel that the noise canceling function has little effect, adjust the earbud position in the earpieces of the noise
canceling headphones or replace the earbuds with a pair in another size. A pair of medium-size earbuds are attached to
the earpieces by default and there should be an extra pair in each small and large sizes supplied with the headphones.
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Using Peripheral Devices