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Fail safe operation
Switching NoiseGard on/off
To switch the NoiseGard active noise compensation on or off:
Press the
ON/OFF
When NoiseGard is switched on:
– the LED
lights up red and
– you can listen to music and make telephone calls at the
same time.
When the batteries are completely discharged, NoiseGard
automatically switches off. RT traffic (e.g. ATC) and
intercom will still be heard through the headphones.
button
for approx. one second.
15
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