[Dx4win] BandMap wildly wrong freq?

[Rick Murphy]

On Thu, Aug 13, 2009 at 7:40 AM, Larry Gauthier (K8UT)<K8UT at arrl.net> wrote:
> Rick,
>
> I also encountered problems tracking frequency with certain USB CI-v
> interfaces and DX4Win. Troubleshooting was made more difficult by the fact
> that some worked properly with my contest software (N1MM) but not with
> DX4Win. This bug was evident in v7, and probably still lingers in v8. You
> will see erroneous readings in the new v8 bandmap and the "Freq (KHz)"
> field.

Sounds like that's the problem I'm seeing. Yes, it's a USB CI-V
interface, using COM5.

> Here's an easy test you can perform in either v7 or v8: from the main DX4Win
> dialogue window, select >Radio >Set frequency. Observe the Main Frequency
> reading as you spin the VFO. You'll probably see the correct frequency some
> of the time, but wrong frequencies most of the time. Whether that incorrect
> frequency is reflected in the bandmap or in your QSO "Freq (KHz)" field
> merely depends on when DX4Win does its polling. You can try to correct the
> problem by adjusting your CI-v interface settings in DX4Win, but there are
> some cables that DX4Win simply will not read correctly (although N1MM  does
> not have a problem).

I'll give that a try. Thanks!
73,
    -Rick
-- 
Rick Murphy, CISSP-ISSAP, K1MU/4, Annandale VA USA