Hi Frank:

I think I have your answer. Try this.

Turn the SUB on
Don't press BSET
Hold RX ANT

You should alternately see MAIN and AUX as you hold the RX ANT button. Now hold BSET. When the display changes it will tell you which antenna is on your sub receiver. It will be either MAIN or AUX as you left it when you changed it with BSET off.

Maybe it's a bug in the code. The sub antenna can be changed from the main display only not from the BSET display.

73,
Mike K2MK




Re: [Elecraft] K3 Subreceiver ANT selection doesn't work - always uses the AUX antenna
Frank R. Oppedijk
Thu, 25 Dec 2008 02:30:32 -0800

Thanks to all people who responded on and off-list to my questions. I've looked at the K3 schematics and have come to the conclusion that the problem most probably is that the digital signal driving the subreceiver's MAIN/AUX relay isn't arriving at the subreceiver. I'm going to check the subin ans subout boards to see whether all pins are connected okay.

Merry christmas to everybody!

73,

Frank PA4N

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