[Elecraft] Re: K3: A>B two-step (was "illogical coding")

Don Wilhelm w3fpr at embarqmail.com
Fri Sep 12 17:17:21 EDT 2008


Wayne,

The two-tap operation makes a lot of sense for those who have the 
sub-receiver installed, because for other than diversity receive, one 
would not necessarily want to change the filter settings when doing an 
A>B copy.  VHF ops would likely also not want to change the mode.
So for the benefit of those with the KRX3, I would think it should be 
left as it is now.
BUT, for those without the sub-rx installed, the single tap does 
everything operation is probably more appropriate.

Is there any wisdom in making the operation dependent on the sub-rx?  If 
not, a menu item would be in order to satisfy the tastes of different 
users.  There are good reasons on each side.

73,
Don W3FPR

wayne burdick wrote:
> Doug,
>
> There was plenty of logic behind it, but in hindsight it might not 
> sense for all users. (It did meet with the approval of our 20 field 
> testers.)
>
> The change was motivated by the sub receiver. Here's one example:
>
> Suppose you're using SPLIT, listening to a weak DX station on the main 
> RX (in a very narrow bandwidth with preamp on), while tuning for a 
> clear spot with the sub RX (using a wider bandwidth and preamp off). 
> With one tap of A>B you can move VFO B back to the starting point and 
> work your way up again. If this also copied VFO A's filter and preamp 
> settings (etc.) to VFO B, you'd have to set them up all over again.
>
> But I'll be happy to sit back and listen to arguments pro and con. If 
> it looks like a lot of operators would prefer to copy everything with 
> one tap, I could add a menu entry. If no one argues in favor of 
> two-tap (including the field testers), I could change it outright. I'm 
> easy  :)
>
> Thanks for your input.
>
> Wayne
> N6KR
>
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