Phil,
There are reported issues with use of Prolific-based USB/Serial
adapters with Visual Basic applications. Perhaps the WSPR software
you're using is another case of this. The usual suggestion is to get a
USB/Serial adapter that uses the FTDI chip instead...
~Iain / N6ML
On Mon, Jan 3, 2011 at 7:51 PM, Phillip Zminda <phi...@comcast.net> wrote:
> I started experimenting with WSPR over the weekend using my MacBook
> Pro 13 in with the Intel processor running Windows XP using Parallels
> virtual machine. I have the audio connected through an iMic external
> USB sound-card and the K3 is connected to the Mac with a generic USB
> to Serial card with the Prolific drivers. I can receive and transmit
> with VOX but the CAT control will not seem to work to change frequency
> or bands. The K3 connects OK to the Mac using K3 Utilities and HRD.
>
> I have tried various setup combinations of COM port, baud rate and
> handshake but can't find the right configuration to get frequency
> control.
>
> Is anybody running a similar setup who can make some suggestions? Any
> help is appreciated.
>
> Thanks
>
> Phil N3ZP
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