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We've got a GTN 750 with ADS-B IN and OUT. When we encounter traffic it emits a high pitched pulsing beep. It cannot be muted by any means - say you are on final and there's an aircraft holding short but with an active transponder, it will beep like mad which is really distracting.

Is there a way to at least adjust the volume?

At half the volume it presently is at it would be bearable. We couldn't find any setting to effect that.

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  • $\begingroup$ Have you contacted the manufacturer? That seems to be a likely place to start. $\endgroup$
    – FreeMan
    Jun 2 at 13:31
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    $\begingroup$ Yes. It's really hard to get a useful reply from Garmin. $\endgroup$
    – ExternalUse
    Jun 2 at 14:07

1 Answer 1

Reset to default
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There are numerous alert volume settings in the configuration pages of the GTN 750. Your local Garmin authorised dealer/installer should be able to identify the correct setting for the particular traffic system installed in your airplane.

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