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Howdy,
Has anyone experienced a squealing plantronics headset mic? Ours was replaced by the company and started squealing again. It is hooked into a Becker 4201 which was tweaked by the factory as a troubleshooting measure. It seems like the mic is being affected by the antenna RF. If I hold it below the cockpit outside, it improves. Used to work just fine. Don't know what happened. Any ideas? BTW, the side tone is turned off. Tim |
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