[Elecraft] RTTY Questions, Again

[Joe Subich, W4TV]

 >  However, it receives RTTY just fine in USB.

AFSK and FSK are LSB - if you are receiving "fine" in USB, you are
likely "inverted" in AFSK/FSK.  Since DM780 does not support FSK,
try selecting AFSK_A REV.

 > K3 is in Data mode and set to AFSK A.
 > CONFIG: LineIn is set to 10.
 > Frequency and Shift are set to 2125 and 170 Hz, respectively.
 > I'm using DM780 as my digital software.

Where is the mark set in DM780 (Program Options -> Center Marker, Other)?

73,

    ... Joe, W4TV


On 8/19/2012 3:55 PM, Ian Kahn - Ham wrote:
> OK, I have a repeat of a question about RTTY.  My K3 (ser # 281) won't
> receive RTTY in AFSK or FSK modes.  However, it receives RTTY just fine
> in USB.  I just went through the AFSK RTTY setup instructions in Fred's
> wonderful book, but it didn't seem to make a difference.  I'm convinced
> the issue is between the chair and the keyboard, but don't have enough
> experience with RTTY to know what I'm doing wrong.  If anyone could
> point me in the right direction, I'd really appreciate it. Here are some
> of the details people are likely to want to know:
>
> K3 is in Data mode and set to AFSK A.
> CONFIG: LineIn is set to 10.
> Frequency and Shift are set to 2125 and 170 Hz, respectively.
> I'm using DM780 as my digital software.
> I have the K3's Line Out run to my computer's Line In, and the K3's Line
> In run to the computer's Line Out.
> The computer is a fully updated version of Windows 7 32-bit.
>
> I'll gladly provide any other details as requested.
>
> Thanks for the help again.
>
> 73,
>
> -- Ian
> Ian Kahn, KM4IK
> Roswell, GA  EM74ua
> km4ik.ian at gmail.com
> K3 #281, P3 #688
> HRD v5.x/6.0 Test Team
>
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