Actually, the K3 has isolation for the Line In and Line Out signals, and
no interface is required for digital modes. Just a computer soundcard
and good quality audio cables so they do not pick up hum, buzz and
noise. PTT is not required either, use VOX. Actually, the Signalink
PTT is derived from the audio stream - so in effect, the Signalink has
its own simplistic VOX which activates its PTT output.
For those using the K3, get an external soundcard, even an inexpensive
one and use the K3's VOX - it will perform better and with lower noise
than the Signalink.
For the K3S and a K3 that has the new KIO3B option installed, everything
is the same, except the "external soundcard" (as seen by the computer
application) is built into the K3/K3S and no audio cables are involved.
73,
Don W3FPR
On 3/8/2017 6:18 PM, Don Pomplun wrote:
like the SignalLink USB.
Am I correct so far?
So then fig 10-14 (Fred's book) gives me the impression that with this
hookup, I can then run any RTTY software on the PC and the PC to K3S
interfacing is all taken care of, right?
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