[Elecraft] K3 audio line in/out cables

[Ed W0YK]

Well, as Rich replied, AFSK, and other digital audio modes, can be done with only the USB cable.  Sometimes people use the terms FSK and AFSK non-specifically to mean "RTTY".
73,Ed W0YK
-------- Original message --------From: john at kk9a.com Date: 4/5/18  7:07 AM  (GMT-08:00) To: Ed W0YK <ed at w0yk.com> Cc: Elecraft Reflector <elecraft at mailman.qth.net> Subject: Re: [Elecraft] K3 audio line in/out cables 
That is what I thought. I am using an interface however some of these posts lead me to believe that it was not necessary.
John KK9A  
Sent via the Samsung Galaxy 7 edge, an AT&T 4G LTE smartphone.


On Thu, Apr 5, 2018 at 10:04 AM, Ed W0YK <ed at w0yk.com> wrote:
No.  A FSK/PTT keying interface is needed between PC and K3 ACC connector. 
73,Ed W0YK
-------- Original message --------From: john at kk9a.com Date: 4/5/18  4:31 AM  (GMT-08:00) To: elecraft at mailman.qth.net Subject: [Elecraft]  K3 audio line in/out cables 
Can you do FSK with only a USB connection between your computer and K3?

John KK9A




> Date: Tue, 3 Apr 2018 12:20:02 -0400
> From: "N2TK, Tony"


>
> I have upgraded both of my K3's to make them as close to a K3S as best I
> can. Presently cleaning up the rats nest of cables. I am using USB.
>
> I no longer use the Line IN and OUT jacks.  Presently only using FSK. I
plan
> on adding FT8 shortly. With the on board CODECs is there any reason I still
> need the LINE cables? Want to check to makes sure I am not missing
> something.
>
> 73,
>
> N2TK, Tony


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