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13
Putting the MM 450 into operation
Connecting the audio cable
Connecting the audio cable
You can connect the headset to the audio source using the audio cable if
• you do not want to use the Bluetooth function,
• you are not allowed to use the Bluetooth function (some airlines do not
allow Bluetooth transmission)
or
• the battery pack is flat.
If the headset is already connected to the audio source via the Bluetooth
interface, the Bluetooth connection is automatically disconnected when
you connect the audio cable. The Star LED ቢ flashes 3 times red and you
hear a descending beep.
̈ Connect the 2.5 mm jack plug of the audio cable to the socket ¿ of the
headset.
̈ Connect the 3.5 mm jack plug of the audio cable ¹ to
– the headphone socket of your audio source or
– the audio adapter for 6.35 mm jack socket Ƹ if the 3.5 mm jack plug
of the audio cable is too small or
– the in-flight adapter ƹ if you want to use the headset with an
in-flight entertainment system.
When the audio cable is connected to your audio source, you hear the
sound from your audio source and the Star LED ቢ flashes blue.
Detaching the audio cable
If you want to use the headset only as a Bluetooth headset or as a passive
hearing protector, you can detach the audio cable ¹.
̈ Pull the 2.5 mm jack plug of the audio cable ¹ from the socket ¿ of
the headset.
When the audio cable is connected to the headset, the
Bluetooth function cannot be switched on.
1
¹
Ƹ
ƹ
1
When detaching the audio cable, the Bluetooth function is
not automatically switched on.
̈ Switch the Bluetooth function on again (see “Switching
the Bluetooth function on/off” on page 17).
