Hi Jim,
I'm only guessing, and I know nothing about the Apple world, but I'll do
my best. There are two communications speed settings at play. One is the
sample rate and bit depth for the USB sound card. That is set on the
Audio Tab of WSJT-X, and wants to be 16-bit 48 kHz. The other is
communications between WSJT-X and your radio for Rig Control via RS-232
(and perhaps a USB adapter). 38,400 is as fast as the K3 goes, so that's
what you must choose, and both the K3 and the radio must have the same
setting.
As for going into TX -- I use VOX for ALL modes except CW, and it works
great. The gotchas are VOX Gain (a menu setting) and Line In Gain (set
by the Mic Gain control when the K3 is set for Digital modes. Perhaps
all you need is more Line Gain and/or VOX Gain. That's happened to me
many times when I've changed setups. The Line In should be set for five
bars of ALC, then set VOX Gain to activate TX.
If this doesn't get you going, I suggest that you ask again on the WSJT
reflector. Some of the developers of WSJT-X monitor it, and may be able
to help. Who knows -- there may be a bug they need to squash. When I
reported rig control issues with the K3 with a WSJT-X Beta, they thanked
me, and several months later it seems to work.
73, Jim K9YC
On Sun,7/5/2015 9:18 PM, James Bennett wrote:
Nobody??? Am I the only K3 owner using a Tascam sound card and a Mac to run
WSJT-X??
Jim Bennett / W6JHB
Folsom, CA
On Jul 4, 2015, at 12:30 PM, James Bennett <[email protected]> wrote:
I posted this on the WSJT-X Yahoo group and still no resolution. Hoping that
perhaps someone on this reflector might have some thoughts on the problem. It
isn’t a real “problem” per se, as I can certainly use my system as it is, but
just wondering about this “quirk”. Here is my post:
"I just recently upgraded from WSJT-X 1.4.0 to 1.5.0 and have a question about
something in the User Guide. I'm running on an iMac, OS X 10.10.4, an Elecraft K3,
and my sound card is a Tascam US-125M. I am able to use the K3 and the new version
of the software but have an issue with the documentation procedure….
The WSJT-X user manual says to use the Apple Audio MIDI Setup utility to
configure the sound card to 48000 Hz, two channel, 16 bit. I have been using
the above configuration at 41000Hz with no problems. When I try running at
48000 Hz, the radio does not go into transmit mode. If I switch it back to
44100 Hz, it works OK. The specs for the US-125M indicate that it should work
up to 48000 Hz. When set to 48000 Hz, I’m able to get the usual decodes, but
can’t transmit. I’ve got it set for the K3/KX3, and CAT control.
Any idea why I'm limited to 44100 with this configuration and why 48000 fails to
work?"
Jim / W6JHB
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