This might be one of the earlier versions of the software, with Vision=20
having an update. Certainly should contact them. If one had access to=20
the source code, would be easy to burn a fix. The last paragraph of=20
Vision's FAQ's indicated the give excellent support.
> I believe the display is showing, as best it can, the true prop speed
> on average
>   =20
>
--=20
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