Ken, K6LA / VY2TT wrote:
> Setting up for SS Phone and find that I can only transmit in VOX. PTT isn't
> working. Nothing happens when pressing the footswitch. CW mode works fine.
> Using K3. (I know, use VOX, but I'm doing a Multi-op this weekend.)
>
> Setting Comm PTT to Yes or Sync doesn't work. Setting PTT KEY on the K3 menu
> to anything other than OFF - OFF results in an error message.
>
> Suggestions?
This isn't really a Writelog issue but here is some information that may help.
Setting up for CQP one of our K3s showed these same symptoms. We found the
following thread which suggests checking for +5V on the PTT In jack.
http://elecraft.365791.n2.nabble.com/K3-PTT-IN-problem-cont-d-td7457978.html
The +5V check failed and we didn't want to attempt our first SMD repair the
night before the contest so we swapped this K3 to a CW operating position for
the contest and had a club member with SMD experience do the repair
post-contest.
While first connecting cables to the K3 the PTT line to the amp was
accidentally plugged into the PTT In jack instead of the Key Out jack. We
theorize that powering up in this state may have caused the RF choke failure.
73,
-Mike, N7MH
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