Switching NoiseGard on/off
To switch the NoiseGard™ 2.0 active noise compensation on or off:
Press the ON/OFF button for approx. one second.
When NoiseGard 2.0 is switched on:
– the LED lights up red and
– you can listen to music and make telephone calls at the same time.
Fail safe operation When the batteries are completely discharged, the NoiseGard 2.0 active noise compensation automatically switches off. RT traffic (e.g. ATC) and intercom will still be heard through the headphones.
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