Sennheiser MM450 Changing the volume

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 ￿

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 ￿ flashes 3 times red. You hear a descending beep.

The Bluetooth button ￿ goes off. The Star LED ￿ 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:

Button	Duration Function		Button	Duration Function
		Incrementally			Incrementally
		increases the			reduces the
		volume			volume
		Continuously			Continuously
	1s	increases the		1s	reduces the
		volume			volume

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 acknowledgement tone.

17