[Elecraft] K3 set up for RTTY and PSK

[Mike]

Or add a second sound card. The USB ones are quite inexpensive.

73, Mike NF4L

On 10/19/2010 10:42 PM, Richard Ferch wrote:
> Rich,
>
> Have you tried reducing the VOX sensitivity (MAIN:VOX GN)? The output
> from your sound card in digital modes should be high enough to give you
> 4-5 bars on the K3's ALC meter, which should leave you with plenty of
> headroom to set the VOX sensitivity below the digital audio and above
> the sound card's noise level.
>
> Could it be Windows sounds that are triggering the VOX? If so, you need
> to disable them.
>
> If the VOX is triggering with no output from your digital mode software
> and no Windows sounds, perhaps it is triggering on noise from the
> microphone. Can you disable the sound card's microphone input when you
> are using digital modes? Or, if that is not feasible, can you reduce the
> sound card's microphone input level enough to avoid spurious triggering
> while still leaving the wav input high enough to give you the desired
> 4-5 bars of ALC meter reading in digital modes?
>
> If none of these suggestions work, perhaps you will need to consider
> using PTT.
>
> 73,
> Rich VE3KI
>
> W3ACO wrote:
>
>> I seem to have a problem setting up my K3 for PSK and RTTY.  I use a
>> computer with mike input and headphone output to connect to line out and
>> line in of the K3.  I have the K3 set for VOX.   Intermittently, the K3 goes
>> into transmit mode without sending tones from the computer.    If I turn
>> down the mike gain (set at 8) the problem goes away, but then I don't get
>> audio into the radio.  What am I doing wrong ??
>>
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