[Elecraft] KPA500 AUX Cable Keying

[iain macdonnell - N6ML]

Hi Tom,

Do you have the "Key line interrupter", as described in:

http://www.elecraft.com/manual/KPAK3AUX%20Cable%20Set%20Instructions.pdf

installed? If so, you might try removing it....

    ~iain / N6ML



On Wed, Jun 29, 2011 at 4:45 AM,  <n5ge at n5ge.com> wrote:
>
> Y' All
>
> According to page 21 of the KPA500 owner's manual, when the Aux Cable is used
> with the KPA500 the PTT Cable should not be used.
>
> I have the KPAK3AUX cable connected between the K3 And the KPA500 via the Y
> cable that came with the cable kit, so that I can continue using my KR2C2.
>
> The KRC2 is working as was before.
>
> I have set all the power levels for the amp Standby and Operate of the KPA500
> and I can see that it is controlling the K3's output power in both Standby and
> Operate, and is changing bands when the K3 changes bands, but the KPA500 is not
> keying when in Operate on any band.
>
> The Amp was keying and producing output as expected with around 30W drive before
> I hooked up the AUX cable.  I'm sure I've failed to make a setting on the amp or
> the rig, but I'll be darned if I can find a setting that even vagely sounds like
> the one to make.
>
> Can someone shed some light on what I need to do to get the amp to key with the
> Aux Cable connected?
>
> 73,
> Tom
> Amateur Radio Operator N5GE
> ARRL Lifetime Member
> QCWA Lifetime Member
>
>
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