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Using the headphones
30 | PXC 550-II
Connecting the headphones using the
audio cable
▷ Connect the 2.5 mm jack plug of the audio cable to the head-
phones' audio socket.
The flight mode is activated and the Bluetooth connection is dis-
abled.
▷ Connect the 3.5 mm jack plug to the audio output of your smart-
phone.
To disconnect the audio cable:
▷ Carefully disconnect the jack plug from the headphones.
Using the in-flight adapter
If you are using the in-flight entertainment (IFE) system of your air-
line, the audio from the IFE may be interrupted by important
announcements via the aircraft's public address (PA) system. In most
cases, the announcements are much louder than the audio from the
IFE. The PXC
550-II detects this and suppresses the volume jump
that occurs when there is a switch between PA and IFE system.
The volume of the headphones remains at a low level even after the
announcement via the PA system. If you want to increase the volume,
adjust it on the IFE system.
Connecting the headphones using the
USB cable
When you connect the headphones to a Mac/PC/mobile device
using the supplied USB cable, you can play audio content from your
Mac/PC/mobile device directly through the headphones.
Setting up the headphones as the default audio output and input
Flight mode
OFF
In-flight
adapter
Audio cable
Right
R
2.5 mm
3.5 mm
If you want to increase the volume on the headphones and the
volume cannot be increased as usual, restart the headphones
by switching them off and on again.
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 (> 31).
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