I was experiencing the same issue and never found resolution; I ended up
going back to using WSJT-X to control the 7300 directly. Since that worked
okay and I had no other rig to test with Commander, I assumed it was a
DXLab issue. Can you share what (approximate) delays you are seeing now
with your settings changes?
73,
KC9SWV - Morgen
President, TARA
On Tue, Sep 19, 2017 at 11:41 AM, Jon Anhold <[email protected]> wrote:
> Apologies if this has been posted previously, but I'm hoping it will help
> out the next 7300 FT8 user!
>
> I recently just replaced my FT-897D + Signalink USB with an Icom IC-7300.
> Wow, what a cool rig!
>
> I like to use Commander to control the rig as much as possible, and use
> the various integrations to it for rig control, etc -- including in WSJT-X.
>
> When switching from the Signalink to the 7300, as I got everything set up,
> I noticed there was an ~2sec delay from when the TX window would start in
> WSJT-X for FT8 and when the radio would actually key up and start
> transmitting.
>
> Since timing is crucial on modes like FT8, obviously this wasn't ideal.
>
> I think I have finally figured out a combination of settings that
> minimizes the TX delay:
>
> - Set the TX delay in WSJT-X to 0.0s (careful if you have a PA)
> - Set Rig to DX Lab Commander, PTT CAT, Mode none, Split rig.
> - Configure the 7300 to use RTS or DTR for PTT
> - Set Commander to use RTS or DTR for TX as appropriate
> - Check the "Suppress CAT" box in the PTT section in Commander
>
> This last one was key, as it minimizes the back and forth CAT commands to
> the radio for TX/RX.
>
> I'm really enjoying the FT8/JT modes. Thanks to all for such a cool
> program, and as always, DXLab has been fantastic - been using it since
> 2003! Thanks Dave!
>
> 73 de KM8V (formerly N8USK)
>
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