Check the archives but I believe this is something you do not want to do.
> G'day,
>
> Anyone using an USB>RS232 interface between the PC an P3/K3 combo. I'm
> particularly thinking something like the microHAM Digi Keyer.
>
> I assume the P3 doesn't need any of the RS232 signals other than TX and
> RX and can therefore accept the RS232 out of the Digi Keyer which would
> ordinarily go to the K3 RS232 port.
>
> PTT and keying would be taken care of by the Digi Keyer so the RS232 RTS
> and DTS wouldn't be required.
>
> I have a Digi Keyer and it works perfectly well with the K3 and my
> software; Logger32 and SD (contest) both of which generate perfectly
> acceptable software CW for me. At present I'm running the the K3
> without any external interface into the PC via RS232 and the PC internal
> sound card. Not quite so easy to play the sound card levels but workable.
>
> Regards,
>
> Mike VP8NO
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