K3 and Expert 1K-FA

[Geoffrey Downs-2]

Owner's Manual, Revision D6, Page 37 bottom right.

73 to all

Geoff
G3UCK

----- Original Message -----
From: "W4GRJ" <[hidden email]>


> When I turn SUB Rcv'r on I get a USE AUX message, can't find in the
> manual...can someone explain.
>
> Tnx,
> Jack
> W4GRJ

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[Ted Roycraft]

Jack,

I the section on "Sub Receiver Band Independence", the K3 manual says ...

"If the two receivers are sharing the main
antenna path, putting the sub receiver on a
higher-frequency band than main may result in
signal loss in the sub. This is due to sharing of the
main receiver’s low-pass filters. If you select an
incompatible band combination, the K3 briefly
displays USE AUX as a warning. To avoid sub
receiver signal loss, use the sub’s AUX input."

73, Ted, W2ZK

On 4/25/2010 8:25 AM, W4GRJ wrote:

> When I turn SUB Rcv'r on I get a USE AUX message, can't find in the
> manual...can someone explain.
>
> Tnx,
> Jack
> W4GRJ
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
>
>    

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[Bruce Beford-2]

I believe "Use AUX" appears when the sub RX is tuned to a higher frequency
band than the main RX. It is a reminder to use the AUX input connector in
this case, due to the input filtering of the main RX.
-Bruce N1RX


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