[Elecraft] Possible firmware bug - Diversity receive

Adi Andrei e.adi.andrei at gmail.com
Sun May 1 06:20:44 EDT 2011


I subscribe to this too.

Adi
2e0ttx

On 23/04/2011 15:00, Guy Olinger K2AV wrote:
> 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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