[Elecraft] [KAT500] Tuning

[ab2tc]

Hi,

Pressing TUNE first will indeed open the Amp key, at least that's what the
utility is telling me. See here:

http://ab2tc.getmyip.com/tune_without_power.png

Not sure what the "attenuator" checkbox means.

AB2TC - Knut


ke9uw wrote
> I don't think you quite got what he meant. There is some confusion as to
> whether the KEY OUT line is active when the TUNE button is pushed on the
> K3. 
> Sorry if I got it wrong, but some folks think that it would be
> advantageous if there were no key line output when pushing TUNE on the K3.
> Their issue is that the KAT is too slow in breaking the key line when
> tuning to safely not key the (whatever brand) amplifier. 
> We do know that there is firmware in the works for the KPA500 to have it
> not fault so quickly when it gets keyed at the beginning of a tune before
> the KAT500 drops the KEY LINE.
> The simple solution is to put the amp in standby, or push tune on the KAT
> first, and then tune on the K3. I take it if you push tune first on the
> KAT, then it will open the key line first so that the subsequent pushing
> of tune on the K3 won't key the amp.
> 
> Chuck, KE9UW
> Lionel Trains, TCA, LCCA, LRRC
> aka Jack, BMW Motorcycles BMWMOA #224
> <snip>





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