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Powering the NoiseGard active noise compensation
There are three options for powering the NoiseGard active noise compensation:
1. Connection to the on-board DC power supply system (12–35 V
DC
)
2. Connection to the cigarette ligther socket (12–35 V
DC
) via an adapter cable (optional
accessory)
3. Power supply via two AA batteries (not included) inserted in the operating control
The supply voltage for the NoiseGard system is processed by the in-line electronics in the
connecting cable.
Danger of short circuit!
In the unlikely case of a fault, a short circuit could occur.
̈ Before switching NoiseGard on, ensure that the aircraft electrical circuit
which supplies the headset from the on-board DC power supply system
is protected by a 1 A fuse.
CAUTION!