Sennheiser 500371 Headphones User Manual


 
10
Switching NoiseGard Advance on/off
To switch NoiseGard Advance on:
̈ Set the slide switch · to position A as shown.
The LED » lights up red.
To switch NoiseGard Advance off:
̈ Set the slide switch · to position B.
The LED » goes off.
Note:
Switch NoiseGard off after use to conserve battery
power.
When the batteries are completely discharged, the
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 »:
A
B
·
»
»
LED Meaning
red
NoiseGard Advance is switched on
flashing Batteries/rechargeable batteries are
almost flat
PXC350_515699_0607_SP6.book Seite 10 Dienstag, 5. Juni 2007 11:47 11