[Elecraft] Possible firmware bug - Diversity receive

Guy Olinger K2AV olinger at bellsouth.net
Sat Apr 23 10:00:13 EDT 2011


When you are in diversity, you are using many of the settings from RX
A in RX B. When you hit B set, you will also find that RX B uses the
VFO B frequency, which will cause you to not hear the RX A frequency
when for example fiddling with the NR or NB to see if they help
reception.  You need to remember to do

It is clear that going to BSET drops out of diversity until you are
finished with it.  I'm not sure I would call that a bug, as once you
know about it, you do the workaround easily enough, but it would be
nice if it didn't do that. You have to drop the BSET to return to
diversity phase lock.

Dropping the frequency if you've been tuning around, particularly if
all you want to do BSET is look at the B S-meter, is a pain in the
patooey.  None of the cheep fixes work (like move A->B as part of
BSET) because VFO B contents may be intentional.

If that was done as a quick way to drop out and listen elsewhere in
diversity, I'm annoyed, and would want that behavior as an option that
I could turn off.

73, Guy.

On Sat, Apr 23, 2011 at 7:38 AM, Bill W4ZV <btippett at alum.mit.edu> wrote:
>
> aandrei wrote:
>>
>> I think there might be a minor bug in the K3 firmware when switching
>> antennas in Diversity mode.
>>
>> Context:
>>
>> Have 2 antennas, connected to Main and Aux, that even on the same
>> frequency give you signals which are different enough that you can tell
>> the difference.
>> In normal (non-diversity mode) make sure you have both receiver and
>> sub-receiver antennas set to Main.
>> Switch to diversity mode.
>> Click B-Select
>> Set sub-receiver antenna to Aux.
>> Click B-Select
>>
>
> Adi I'm away from my shack to check your question but here's a little tip
> for you.  It's not necessary to go into BSET to change the Sub RX antenna.
> If you HOLD RX ANT, it will toggle the Sub RX antenna between Main and
> Aux...just like TAPping RX ANT will toggle the Main antenna between ANT1 and
> RX ANT.
>
> I seldom use BSET and look forward to the dawn of the K4 when it should not
> be necessary at all!  (i.e. all Sub RX settings will be visible on a large
> display at all times).  :-)
>
> I don't know if you've discovered a bug but may check later when I'm at the
> rig.
>
> 73,  Bill
>
>
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