[Elecraft] KX3 & RMS Express - T R latency

[Peter Pauly]

And that they didn't put it in the KX2 either is a major oversight.

On Sat, Oct 29, 2016 at 4:41 PM, Dave <dave.phelps at gmail.com> wrote:

> Well, 100ms would definitely be too much.
> I'll give vox a try - I'm sure that will work after I figure out the
> settings.  Thanks!
> Lack of built in sound card interface is one area I think the kx3 is
> deficient - I would for sure have purchased that option if it was given.
> Dave
>
> On Oct 29, 2016 2:17 PM, "Brian Waterworth" <brian.waterworth at gmail.com>
> wrote:
>
> Had you considered using the KX3's VOX capability rather than the TX-RX
> commands through the USB interface?  For all intents and purposes, the
> signalink is just a vox-in-a-box.  The KX3 has two menu items to tweak vox
> operation.  I have VOX GN = 015 and VOX INH = 030.  You'll have to play
> with Mic gain and sound card output to make sure you have no more than four
> bars of ALC (with the fifth bar very occasionally flickering).  I use this
> set-up for my KX3 digital operations and it is very responsive.
>
> From the KX3 programmer's reference, there can be a 100ms lag in
> responsiveness to USB serial commands.  Also, depending on how much polling
> RMS Express is doing against the KX3, this could exacerbate the lag of the
> TX-RX commands.
>
> I hope you figure it out.  The KX3 is a very awesome rig and produces such
> a clean digital signal when set-up correctly.
>
> regards,
> Brian
> VE3IBW
>
> On Sat, Oct 29, 2016 at 12:32 PM, Dave <dave.phelps at gmail.com> wrote:
>
> > Howdy,
> > I'm using an old laptop to connect my KX3 to winlink system.  Using the
> > KXUSB for control, and laptop soundcard jacks to KX3 phones and mic
> jacks.
> > Works fine, except that RMS Express gives me a Timeout message for T-R
> > latency - apparently my T - R switching is too slow?  Any suggestions on
> > what to change to help this out?
> > Using DATA-A, ALC off
> > On my old full size rig I used a signalink to interface and I just
> cranked
> > the delay knob full CCW which did the trick - since I'm not using the
> > signalink here I'm at a loss - no easy knob to turn!
> > Thanks,
> > Dave
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