Instruction manual

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:
왘 Press the Bluetooth button 쐄 and keep it pressed until the LED 햲
flashes 3 times blue. The Bluetooth function is switched on.
To switch the Bluetooth function off:
왘 Press the Bluetooth button 쐄 and keep it pressed until the LED 햲
flashes 3 times red. You hear a descending beep.
The Bluetooth button 쐄 goes off. The LED 햲 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:
If you press the respective button briefly, the volume is changed
incrementally; if you hold down the button, the volume is changed
continuously.
When the minimum or maximum volume is reached, you hear an
acknowledgement tone.

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