[Elecraft] Help with first KPA Transmit Tests

Jack Smith jack.smith at cliftonlaboratories.com
Sat Aug 12 16:50:44 EDT 2006


To hear a beat note when sending CW, your VX-7R will have to be in SSB 
or CW mode. When set for AM reception what you are hearing is normal.

Jack


Michael Cook wrote:
> OK, I'm back for more help. I've been building a KPA 100 and I'm at 
> the part where you are supposed to first test the transmitter by 
> transmitting into a dummy load and listening on another receiver.
>
> Now the other other receiver I have is a Yaesu VX-7R handy-talkie. Now 
> I've tuned them both to the same frequency (7.150 khz) and the VX-7R 
> is an AM mode. When I key the transmitter, the 7R picks it up, but I 
> can't hear any sound. I've fiddled with the volume and all that. It 
> breaks squelch, it shows up real strong on the S meter (full meter). 
> But there is just no sound, I can't hear the CW signal. This happens 
> at all power levels. I've also tried tuning around a little bit.
>
> Now my theory is that this is my fault, as I've never tried to use the 
> VX-7R to try to listen to CW before so I'm not sure what I'm doing is 
> right.
>
> Is my procedure above correct? Is there something else I need to do 
> (like set a different frequency)?
>
> -- Michael Cook
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