[Elecraft] KPA500 AUX Cable Keying

[Jack Brindle]

Make sure that DIGOUT1 is turned OFF from the K3. Turning it on disables the KPA. Note that this is a per-band function, so it needs to be turned off for each band you wish to use the KPA500.

Jack Brindle, W6FB

On Jun 28, 2011, at 9:45 PM, 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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