Bose QUIETCOMFORT ULTRA Mode D'emploi page 21

Noise cancellation reduces unwanted noise, providing a clearer, more lifelike
audio performance.
By default, the headphones power on in Quiet mode. Noise cancellation is fully
enabled (see page 25).
CHANGE THE NOISE CANCELLATION SETTING
You can switch between preset noise cancellation settings by changing the mode. For
information about modes, see page 25.
NOISE CANCELLATION WHILE ON A CALL
When you make or receive a call, the headphones remain at the current noise
cancellation setting and self voice is activated. Self voice helps you hear yourself
speak more naturally.
To adjust noise cancellation while on a call, change the mode (see page 26).
NOTE: To adjust self voice, use the Bose app. You can access this option from the
Settings menu.
USE NOISE CANCELLATION ONLY
You can use noise cancellation only, without audio or interruptions from phone calls.
1. Do one of the following:
• Disconnect your mobile device (see page 28).
• Turn the Bluetooth feature off on your mobile device.
2. Press and hold the Multi-function button to change the mode (see page 26).
NOTE: To reconnect your mobile device, select the headphones from the Bluetooth
list on your device.
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