[Elecraft] K3 in data A mode

Don Wilhelm donwilh at embarqmail.com
Tue Oct 10 17:36:28 EDT 2017


Roger,

I assume you are using AFSK A data sub-mode.  Check the data submode to 
be certain.

Do you have anything other than the soundcard audio lines, the RS-232 
computer connection, the DC power cable, the wattmeter and antenna (or 
better yet a dummy load) connected to the K3?
If so remove everything except those items.

It appears you have the audio set about right, although the 5th bar 
should be only flickering, not on solid.

Try again with the bare K3 and see what happens.  If you have the KAT3 
installed, do an ATU TUNE into the dummy load to set the L/C components 
to match the dummy load.

73,
Don W3FPR

On 10/10/2017 4:37 PM, Roger D Johnson wrote:
> I'm trying to get my system set up for RTTY. I think I have the cabling
> OK. Using MTTY I can decode signals fine but when I try to transmit,
> I get no power out. The MTTY program keys the VOX and I have 5
> bars of ALC but nil on the wattmeter!
> 
> Help!
> 
> 73, Roger N1RJ
> 
> 
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