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High-pitch tone with Airbus A320
If you are experiencing a high-pitched tone when using the A30 headset with an Airbus A320, try the following:
Be sure the headset is being worn properly.
Due to the angle of the earcups, proper left and right earcup placement is essential for the headset to fit around both ears. The headset's performance can be greatly reduced if the earcup fitment around the ears is poor. For more information, see Wearing and adjusting your product.
Plug in a different headset.
If available, connect a different headset to the aircraft to determine if the issue is related to the aircraft panel or its settings.
A high-pitch tone in the 2-6kHz range is normal
Airbus A320's use voltage inverters that produce a high-pitch tone in the 2-6kHz range.
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