Hi Bill
The documentation around this is a bit confusing, but my understanding is that
this setting defines where the SUB gets its AUX antenna feed from. It can
either be BNC (the Aux RF socket on the back panel), or (if you have the ATU
installed and therefore two ANT sockets) it can get it from whichever ANT
socket is not being used by MAIN. As I do not have ATU installed, the only
option that works is bnc.
I can choose either MAIN or AUX ant for the SUB by pressing RX ANT
Does this make sense?
Gareth, M5KVK
On 28/05/2020, 14:03, "Nr4c" <n...@widomaker.com> wrote:
Sorry!
KRX3 Ant=bnc does not agree with both on MAIN.
Sent from my iPhone
...nr4c. bill
> On May 28, 2020, at 8:54 AM, Gareth M5KVK <gareth.m5...@gmail.com> wrote:
>
> I spent last evening checking the installation of the KRX3A. I did find
one bit of incorrect plumbing (in the cables that connect the KRX3A to the rest
of the K3S): however correcting it made no discernible difference.
>
> The post-installation setup instructions pass OK and all the CONFIG menu
options seem to be correct: though it is difficult to be sure.
>
> With SUB on, SUB AF/RF at Max and Main AF at min: I get noise out of the
speaker, but no signal: even though A and B are equal and the Main is
definitely receiving a signal.
> CONFIG
> KRX3 Ant=bnc
> L-MIX-R A B
> SPKRS 1
> SUB AF nor
>
> Looks like an email to support is next.
>
> Gareth, M5KVK
>
> From: Gareth M5KVK <gareth.m5...@gmail.com>
> Date: Tuesday, 26 May 2020 at 16:05
> To: "elecraft@mailman.qth.net" <elecraft@mailman.qth.net>
> Subject: Problems with KRX3A
>
> Hi there
> I bought a s/h K3S a couple of years ago (SN 10901). It has a KRX3A
installed, but I’ve never tried to use it until now. When I enabled the sub
receiver this morning, I found I was getting no signal.
>
> I’ve checked various CONFIG settings and it’s set to use the MAIN ANT and
it’s AF is independent of the K3S. In an attempt to make progress, I reviewed
the installation instructions.
>
> Item 4, after enabling TECH MD, is Tap DISP and rotate VFO B to display
SYN1 and SYN2. I do not see these items. Any idea how to debug this?
>
> 73
>
> Gareth, M5KVK
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