Jim, 

Thanks for your email.  

I do have the cables as shown on Figure 9.17, page 189 of the “Elecraft KX3 - 
Portable", with one exception: the Keyline interrupter is physically connect to 
the K3 Acc port, and the KPAK3AUX cable is connected to it and goes to the 
KAT500.     The genders of the plugs on the Keyline Interrupter only allowed 
this connection, to the K3 rather than to the KAT500.  Connecting the Keyline 
Interrupter to the K3 directly is shown in the Elecraft KAT500 owners manual in 
Figure 2, so I believe that is the correct way to do it.  

I do not have a ground wire connected from the KX3 to my shack common ground, 
though I would not think that is a contributing factor to what I am 
experiencing.   That is something I could test.  

If I keep the K3 powered on, then everything seems to work ok: both the K3 and 
the KX3 can key the amplifier.   It is just that, when using the KX3 to drive 
the amp and with the K3 on, the K3 needs to be on the same band as the KX3 to 
prevent band switching conflicts between the two transceivers. 

Thanks again and need to do that one test to add ground.  

73, 
Hoop 
K9QJS 



On Nov 2, 2015, at 8:50 , James Bennett <w6...@me.com> wrote:

Hoop -

Something must not be cabled properly. I have the same setup - K3, KX3 on a 
coax switch going to the KPA500 and KAT500. I can operate either K3 or KX3 with 
or without the amp/tuner. If my K3 is powered off and I want to use the KPA500 
with the KX3, there is no issue - I can press the OPER/STBY switch on the amp 
and it does what it is supposed to do.

I do not recall having to do any menu settings on either rig for this to work. 
Be sure you have stuff cabled EXACTLY as Fred’s book shows…

Jim / W6JHB


> On   Saturday, Oct 31, 2015, at  Saturday, 1:53 PM, Jim Hooper 
> <k9...@icloud.com> wrote:
> 
> I have configured my K3 and KX3 as shown in “The Elecraft KX3 - Portable: 
> Going for the Summit” book that Fred wrote, the 2013 version.    I have 
> configured cabling as shown in section "9.8 The KX3 and the KPA500”, figure 
> 9.17, which shows use of the Keyline Interrupter, RCA cables, E980232 Adapter 
> for the KX3, et al, with an RF switch between the K3 and KX3 in order to 
> input either to the KAT500/KPA500 pair.   
> 
> How do I put the KPA500 into OPER when I have powered off the K3 and switched 
> the my KX3?   
> 
> Currently, when I turn off the K3, the KPA500 always switches to STBY and I 
> can not then switch the KPA500 from STBY back to OPER.    I am thinking that 
> there might be a setting somewhere? 
> 
> Thanks, 
> 73, 
> Hoop
> K9QJS 
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft@mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to w6...@me.com

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to jkhoo...@rockisland.com

______________________________________________________________
Elecraft mailing list
Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:Elecraft@mailman.qth.net

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html
Message delivered to arch...@mail-archive.com

Reply via email to