[Elecraft] HRD/DM-780, Elecraft K3 and soundcard

[Don Wilhelm]

Looking at what I sent, I got Line In and Line Out reversed.
Tony is having problems decoding, so the Soundcard Line In and the K3 
Line Out are the ones that are to be moved to the computer built-in 
soundcard.

73,
Don W3FPR

--------------------------------------------
Tony,

First make sure that you have a good audio connection from Line Out to 
the soundcard.  Use good quality cables that do not pick up noise.

What happens if you eliminate the Signalink - change HRD to use the 
computer default soundcard and connect from that soundcard line out to 
the K3 Line In - if decode is OK under that situation, look for the 
problem in the Signalink soundcard.
The built-in soundcard in most modern computers is one of the HD types, 
and is much more than sufficient for use with data modes.

On troubleshooting -- When you have a problem, suspect everything and 
eliminate the possible suspects one at a time.  Substitution is always a 
good analysis tool.

73,
Don W3FPR

On 6/25/2014 7:42 PM, Tony Lyon wrote:
> Hi Sal,
> Yes, I went through the Signalink audio level config again and no change.
> The Signalink pots are also set just like yours.
>
> 73,
> Tony L. (KJ5XF)
>> Hi Tony!
>> Have you gone through the Signalink audio levels config procedure?
>> Is it possible that its just Windows audio levels that are low?
>> All my Signalink pots (except Delay) are usually at 12 o'clock.
>>
>> __________________
>> Slava (Sal) B, W2RMS
>> W2RMS at arrl.net
>>
>> On Jun 24, 2014, at 9:47 PM, Tony Lyon <tony.lyon at austin.rr.com> wrote:
>>
>>> Folks,
>>> I decided to try HRD/DM780 for first time after using another HF
>>> digital software program for
>>> probably 10 years.  I am using an Elecraft K3 and a SignaLink USB
>>> interface and both
>>> MixW and MultiPSK fine with ZERO problems on either RX or TX. With
>>> HRD/DM780 (version 6.2)  the K3
>>> will  TX fine (great signal reports), but on RX (with the Audio
>>> input set between 50-60%), I only get about
>>> 90% copy even with a solid OLIVIA signal in the waterfall. I have
>>> tried all kinds of SYNC/TUNE Margins
>>> (while using OLIVIA) to no avail. I have also tried all different
>>> levels of audio RX input to no avail.
>>> If someone could share their SignaLink  and any K3 LINE-IN/LINE-OUT
>>> config values to get DM780 to work I
>>> would appreciate it. I have been at this for a week (part time) and
>>> still can't get DM780 to work correctly
>>> with my K3.
>>>
>>> There is clearly a parameter I am missing, but the documentation for
>>> setting up the soundcard for version
>>> is 6.2 is a tad vague.
>>>
>>> 73,
>>> Tony L. (KJ5XF)
>>>
>>>
>>>
>>>
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>>
>
>
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