Bose® Aviation Headset Series II Owner’s Guide As with any complex electronic device, it is possible for this headset to experience a failure during operation. Such a failure may include loud tones, distortion and loss of communications signal in the headset when used in the active or “on” position. The system is “on” when the rocker switch is “up”. Note: This failure could prevent continued use of the headset in the “on” position. These loud tones and the related loss of communications can be elimi- nated for the duration of the flight simply by switching the headset off. (The system …
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