[Elecraft] help configuring the sub receiver

[Barry N1EU]

Gary gave you good advice Bruce.  I'd check two other things:

1. Go into the config menu for KRX3 and check that it's set for Ant=Atu in
your case. 

2. Check that your subrx filters are set up properly.  I recommend using the
Elecraft K3 Utility - Configuration - Edit Crystal Filters and select "Sub
Receiver" and make sure your filters are enabled properly.

73,
Barry N1EU



W7TEA wrote:
> 
> I hesitate to reply cuz my experience is so limited.  Try this if you
> haven't already--
> 
> Turn on the SUB, turn on B SET, hit the ANT button until Main appears. 
> When
> my rig came back from Aptos after a sub rx install, it was connected to
> the Aux
> antenna instead of the Main.
> 
> 73,  Gary W7TEA
> 
> 
> Bruce McLaughlin-2 wrote:
>> 
>> A couple of days ago I received my K-3 back from Elecraft after having
>> the
>> sub receiver and a few other accessories installed.  Unfortunately, the
>> sub
>> receiver does not appear to work. I'm sure it's something dumb that I am
>> overlooking in configuring it.
>> 
>> Basically, I hear no signals.  I do hear what appears to be band noise
>> but
>> nothing else.  This is on 40 meters during the daytime.  I have the
>> configuration set to what I believe is the atu unit.  I have only one
>> antenna which is connected to the main antenna 1 connector.  The sub
>> receiver sounds as though it has no antenna connected to it.  The other
>> choice available on the configuration menu appears to be to connect the
>> sub
>> receiver to the BNC connector which appears to be an auxiliary antenna
>> input
>> which I do not want to use since nothing is connected there.  I have both
>> the AF and RF gain controls for the sub receiver turned up full.
>> 
>> Can anyone suggest what I may be doing wrong?  I want to use the sub
>> receiver so that is connected to the same antenna as the main receiver
>> and
>> transmitter, both of which run through the ATU.  I tuned the sub receiver
>> to
>> the same frequency as the main receiver which had a very strong sideband
>> signal and should have been clearly audible by the sub receiver but there
>> was absolutely nothing other than some background hiss.  I will
>> appreciate
>> any suggestions.
>> 
>> Bruce-W8FU
>> 
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> 
> 

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