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Using the headset
Switching NoiseGard™ on/off
The NoiseGard™ ON/OFF switch » allows you to switch
the NoiseGard™ active noise compensation on or off. With
NoiseGard™ switched off, the headset can be used as a
conventional headset.
̈ Set the NoiseGard™ ON/OFF switch » to the desired
position:
ON: NoiseGard™ is switched on. The LED · lights up,
indicating the battery charge status (see
page 11) or power supply via the aircraft DC
power supply system.
OFF: NoiseGard™ is switched off. The LED · is off.
Adjusting the volume
The two slide volume controls ³ allow you to adjust the
volume for the left and right channel separately.
̈ Use the two volume controls ³ to adjust the desired
volume.
Hearing damage due to high volumes!
This headset is capable of producing high
sound pressure levels. Higher volumes or
longer durations can damage your hearing!
Set the volume to a medium level. Make sure
that you can hear critical sounds such as
warning alarms.
CAUTION!