Deactivating Bluetooth/Activating The Flight Mode; Storing And Transporting The Headphones - Sennheiser PXC 550-II Instruction Manual

The headphones are automatically charged when you connect
them to a Mac/PC/mobile device using the USB cable.
If you are using the USB cable and want to deactivate all wire-
less connections, you have to deactivate Bluetooth on the
headphones (> Deactivating Bluetooth/activating the flight
mode).
Setting up the headphones as the default audio output and input device for your
Mac/PC/mobile device
▷
Make sure that the headphones are connected to the Mac/PC/mobile device using the USB cable.
From the Systems Preferences or Control Panel of your Mac/PC/mobile device, select "PXC 550-II"
▷
as the default audio output device and/or default audio input device.
▷
Start music playback from the Mac/PC/mobile device.
The music is played through the headphones and the microphone is used for recording.

Deactivating Bluetooth/activating the flight mode

If, for example, you want to block out aircraft and ambient noise during a flight, you have to deactivate
Bluetooth and activate the active noise cancellation ANC.
▷
Use the Bluetooth on/off switch to activate or deactivate Bluetooth on the headphones:
–Activate Bluetooth ("I") if you want to use the wireless functions of the headphones (e.g. pair the
headphones with another device or play music wirelessly).
Deactivate Bluetooth ("0") if wireless Bluetooth transmission is restricted (e.g.during aircraft taxi,
▷
take-off, and landing).

Storing and transporting the headphones

Store the headphones in the carry case to prevent damage to the headphones when you are not using
or transporting them.
▷
Fold up the headphones and place them in the carry case as shown in the illustration.
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