[Elecraft] K2/100 w/KAT100 - Something you may find

[David A. Belsley]

Hey, Tom; that's all very interesting, but you never told us which of the=20
mods you removed.

best,

dave

--On Sunday, December 1, 2002 10:59 AM -0600 Tom Hammond N=D8SS=20
<n0ss@earthlink.net> wrote:

> Good Morning Folks:
>
> I trust everyone had a good Thanksgiving...
>
> This morning, I made a change to my K2 (actually REMOVED a mod!). When I
> returned it back to service, I already DC applied to the KAT100, so I
> just plugged power into the K2 and then the  heavy DC leads to into
> KPA100, and went about my merry way.
>
> Jumped down to 10M (from 20M) and hit the TUNE button... NOTHING
> HAPPENED...! KAT100 indicated a 1.5:1 SWR which should have been ample to
> initiate a re-tune when TUNE was pressed.
>
> Went into MENU | ATU and found the setting was displaying "ATU --".
>
> Went into EDIT mode and cranked on the knob to set the ATU setting to
> "AUTO"... no go... the only response I got back was "PA ANT 1".
>
> Checked to ensure that the PA WAS being recognized... and it was. But
> still no ATU action.
>
> So I did what no self-respecting user would do... I went to the KAT100
> MANUAL! And there, in the TROUBLESHOOTING section, was my answer...
>
> By powering up the K2 (and possibly the KPA100) while the KAT100 WAS
> already powered, but before the KPA100 had full power to it, I apparently
> put the K2 into a situation where it didn't want to recognize that the
> KAT100 was present. It's one of those 'timing' thangs (sic)...!
>
> I stumbled back into the shack, and turned the K2 off and back on...
> VOILA! Everything began working AS ANTICIPATED this time.
>
> Moral of the story... follow Elecraft's suggestions for the proper order
> of powering up your rig once you have a bunch of options installed. That
> being, power to the KAT100 first, then power to the KPA100 (if it's gonna
> be used) and THEN turn on the K2.
>
> This should always work correctly. Though some other scenarios will
> generally work as well, there's always that off-chance that the power-up
> timing issue might raise it's ugly head.
>
> 73,
>
> Tom  N0SS
>
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----------------------------------
David A. Belsley
Professor of Economics