Switching Noisegard Advance On/Off - Sennheiser 500371 Instruction Manual

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Switching NoiseGard Advance on/off

To switch NoiseGard Advance on:
Set the slide switch
The LED lights up red.
To switch NoiseGard Advance off:
Set the slide switch
The LED
Note:
Switch NoiseGard off after use to conserve battery
power.
When the batteries are completely discharged, the
A
NoiseGard Advance active noise compensation
automatically switches off. Audio will still be heard
through the headphones when the slide switch is set
to position B.
Meanings of the LED
LED
red
flashing
to position
to position B.
goes off.
:
Meaning
NoiseGard Advance is switched on
Batteries/rechargeable batteries are
almost flat
A as shown.