Jim,
When connecting the K3S to the computer via a USB cable, both the
soundcard and the USB to serial adapter in the K3S should be recognized
by the computer.
Just steer the data mode software application to use the soundcard and
COM port that are assigned by the computer.
This is more of a computer situation than a K3S situation. Which
soundcard and which COM port is assigned is highly dependent on what the
computer does. If Windows, look in Device Manager to see the COM port
and soundcard assignments.
73,
Don W3FPR
On 8/1/2016 12:46 AM, James Bennett wrote:
Folks,
I have a mid-2010 vintage K3 and more recent KX3 that I use for JT65/9, WSPR, and
FLDIGI, in addition to CW. For those digital modes I run external USB sound cards
- Tascam US-125M. On the K3 the Tascam connects to the K3 line in and line out and
to the computer via USB. That's where the audio signals are exchanged. The K3
connects to the computer via a serial->USB device. With the digital modes, the
rig control signals traverse this path. All well and good.
Now, a fellow Elecrafter with a K3S wants to do digital and has asked me what he needs. I
know that rig has built in sound card, so I thought he wouldn't need the external unit
like I have. But, not having a K3S, I'm confused how things work. The online manual (Data
Mode Connections, pg. 33) says that "You can transmit and receive data in one of
three ways". None of those three ways listed refer to that built in sound card.
I guess the bottom line question is: can one run a program like FLDIGI and/or
WSJT-X on a K3S without the need for an external sound card, and still have
those programs do full rig control like the K3 that I have? If yes, what
connections are made between the radio and the computer...?
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