Using the MM 450
16
Adjusting the headset to the listening situation
The headset has a NoiseGard function, a Bluetooth function and a Talk-
Through function. Depending on the listening situation, you can switch
these functions on or off.
Switching the NoiseGard function on/off
The NoiseGard function has to be switched on to be active. If the NoiseGard
function is switched off, the MM 450 can also be used as a conventional
headset.
To switch the NoiseGard function on:
̈ Press the NoiseGard button » for 2 seconds.
The button is backlit in red and the NoiseGard function is switched on.
To switch the NoiseGard function off:
̈ Press the NoiseGard button » for 2 seconds.
The red backlighting goes off and the NoiseGard function is
switched off.
Switching the TalkThrough function on/off
The headset provides excellent attenuation of ambient noise. The Talk-
Through function allows you to communicate undisturbed with other
people even when the NoiseGard function is switched on.
To switch the TalkThrough function on:
̈ Briefly press the NoiseGard button ».
The Star LED ቢ lights up red. The TalkThrough function is switched on.
To switch the TalkThrough function off:
̈ Briefly press the NoiseGard button ».
The Star LED ቢ goes off. The TalkThrough function is switched off.
The NoiseGard button » is backlit, indicating the current
setting. The backlighting goes off after a short while in order
to conserve battery power.
̈ Press any button on the headset to display the current
setting of the NoiseGard active noise compensation.
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2s
Conserving the battery power
Switch the NoiseGard function off after use to conserve
battery power.
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