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The amount of high frequency gain in my hearing instruments has decreased after completing the feedback optimization test. How can I get that gain back?

The feedback optimization test determines the maximum stable gain that can be provided in an individual fitting to ensure a feedback-free fitting. If the feedback test did limit the available gain beyond what is desired for the fitting, improvements to the feedback path can be made and the test can be re-run afterwards. Such improvements could involve reducing the amount of venting, improving the fit/retention of the ear mold, providing a more occluding dome for slim tube and RIC fittings. Whenever the acoustic coupling in a fitting is changed, the fitter should first navigate to the Instruments > Acoustics screen to properly include the acoustic change in the software logic, and then re-run the feedback optimization test in the Fitting > Feedback Optimization screen.  If available, you may also select the checkbox to increase the gain by up to 5 dB.  



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