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General| Brand | Sennheiser |
|---|---|
| Model | HD400 |
| Category | Headsets |
| Language | English |
How to connect the headset to the aircraft's power system.
How to connect the headset using an optional battery pack.
How to connect the headset using a cigarette lighter adapter cable.
How to adjust the headband for comfort and noise attenuation.
How to position the microphone for optimal voice transmission.
Adjusting microphone polarity for specific helicopter interfaces.
How to activate or deactivate the active noise compensation.
Setting the volume level for optimal listening.
Fine-tuning microphone output level for intercom compatibility.
Procedure for replacing the wind screen on the microphone.
How to replace worn or damaged ear cushions.
Instructions for replacing the headband padding.
Explanation of the noise compensation technology and its benefits.
Explanation of active noise cancellation mechanism and performance.
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