Re: [Elecraft] Dumb question about KAT-500 Manual

2023-11-14 Thread Tom N4LSJ

Excellent info from both Dick and Andy on this.. thanks!


On 11/14/23 18:54, Dick Dievendorff wrote:

It’s not a stupid question.

The two RCA connections are interchangeable.  There is just a relay between 
them that is opened to interrupt the amp key line.  No other connections. It 
doesn’t matter which of the connectors is connected to the exciter or amp.

73 de Dick, K6KR


On Nov 14, 2023, at 15:51, Tom N4LSJ  wrote:

I'm going thru the KAT-500 manual (Rev D1) and on several pages it shows key line 
connections.  In all of them that use the RCA plug key line connections to the KPA-500, 
it shows the bottom (white) jack on the KAT going to the PA KEY on the amp and the rig's 
"send" line going to the top jack on the KAT.  EXCEPT: Page 15.  It has the 
jacks on the KAT reversed.  Is that intentional?  If so, why is it reversed only for the 
Icom?  Also, I couldn't find any errata on this on the elecraft site.  Does one exist if 
it's an error?

Sorry if this is a stupid question.

Thanks

Tom N4LSJ


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[Elecraft] Dumb question about KAT-500 Manual

2023-11-14 Thread Andy Durbin
KAT500 Key In and Key Out RCA jacks are linked by a relay contact but connect 
to nothing else.  It doesn't make any difference which is In and which is Out, 
but I agree the documentation should be consistent.

Andy, k3wyc
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Re: [Elecraft] Dumb question about KAT-500 Manual

2023-11-14 Thread Dick Dievendorff
It’s not a stupid question.

The two RCA connections are interchangeable.  There is just a relay between 
them that is opened to interrupt the amp key line.  No other connections. It 
doesn’t matter which of the connectors is connected to the exciter or amp.  

73 de Dick, K6KR

> On Nov 14, 2023, at 15:51, Tom N4LSJ  wrote:
> 
> I'm going thru the KAT-500 manual (Rev D1) and on several pages it shows key 
> line connections.  In all of them that use the RCA plug key line connections 
> to the KPA-500, it shows the bottom (white) jack on the KAT going to the PA 
> KEY on the amp and the rig's "send" line going to the top jack on the KAT.  
> EXCEPT: Page 15.  It has the jacks on the KAT reversed.  Is that intentional? 
>  If so, why is it reversed only for the Icom?  Also, I couldn't find any 
> errata on this on the elecraft site.  Does one exist if it's an error?
> 
> Sorry if this is a stupid question.
> 
> Thanks
> 
> Tom N4LSJ
> 
> 
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> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> 
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[Elecraft] Dumb question about KAT-500 Manual

2023-11-14 Thread Tom N4LSJ
I'm going thru the KAT-500 manual (Rev D1) and on several pages it shows 
key line connections.  In all of them that use the RCA plug key line 
connections to the KPA-500, it shows the bottom (white) jack on the KAT 
going to the PA KEY on the amp and the rig's "send" line going to the 
top jack on the KAT.  EXCEPT: Page 15.  It has the jacks on the KAT 
reversed.  Is that intentional?  If so, why is it reversed only for the 
Icom?  Also, I couldn't find any errata on this on the elecraft site.  
Does one exist if it's an error?


Sorry if this is a stupid question.

Thanks

Tom N4LSJ


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