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17
Using the MM 450
Switching the Bluetooth function on/off
Via the Bluetooth interface, the headset can be connected to a wide
variety of Bluetooth enabled devices.
To switch the Bluetooth function on:
̈ Press the Bluetooth button ´ and keep it pressed until the Star LED ቢ
flashes 3 times blue. The Bluetooth function is switched on.
To switch the Bluetooth function off:
̈ Press the Bluetooth button ´ and keep it pressed until the Star LED ቢ
flashes 3 times red. You hear a descending beep.
The Bluetooth button ´ goes off. The Star LED ቢ flashes blue and the
Bluetooth function is switched off.
Changing the volume
The MM 450 allows you to change the volume of the audio signal or the
volume of the TalkThrough function:
If you press the respective button briefly, the volume is changed incremen-
tally; if you hold down the button, the volume is changed continuously.
When the minimum or maximum volume is reached, you hear an acknowl-
edgement tone.
ᕥ
Button Duration Function Button Duration Function
Incrementally
increases the
volume
Incrementally
reduces the
volume
Continuously
increases the
volume
Continuously
reduces the
volume
1 s 1 s
