[KPA500] Front panel AUX button?

[Jim AB3CV]

What purpose does the front panel AUX button serve on the KPA500? Reserved
for future use?

Not mentioned in the user manual.

73

jim ab3cv
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[k6dgw]

I believe so.  The question was asked and answered here when the KPA500
first arrived and I think that was the answer.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org


On 3/15/2015 11:27 AM, Jim Miller wrote:
> What purpose does the front panel AUX button serve on the KPA500? Reserved
> for future use?
>
> Not mentioned in the user manual.
>
> 73
>
> jim ab3cv

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[Rick WA6NHC]

Besides, it gives the panel symmetry..  :o)

Rick nhc

On 3/15/2015 12:13 PM, Fred Jensen wrote:

> I believe so.  The question was asked and answered here when the
> KPA500 first arrived and I think that was the answer.
>
> 73,
>
> Fred K6DGW
> - Northern California Contest Club
> - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
> - www.cqp.org
>
>
> On 3/15/2015 11:27 AM, Jim Miller wrote:
>> What purpose does the front panel AUX button serve on the KPA500?
>> Reserved
>> for future use?
>>
>> Not mentioned in the user manual.
>>
>> 73
>>
>> jim ab3cv
>
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[Jeff Griffin]

The AUX button on my KPA500 switched my K3 to 144.200 mHz, and itself to 5.3
MHZ. Whatever that's good for...

73 Jeff kb2m


-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Jim
Miller
Sent: Sunday, March 15, 2015 14:27 PM
To: Elecraft Reflector
Subject: [Elecraft] [KPA500] Front panel AUX button?

What purpose does the front panel AUX button serve on the KPA500? Reserved
for future use?

Not mentioned in the user manual.

73

jim ab3cv
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[k6dgw]

Ahhh, the "one-tap SPLIT" function?  Both my K3 and KPA500 go to 10
meters with AUX.

73,

Fred K6DGW
- Northern California Contest Club
- CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
- www.cqp.org

On 3/15/2015 12:29 PM, [hidden email] wrote:
> The AUX button on my KPA500 switched my K3 to 144.200 mHz, and itself to 5.3
> MHZ. Whatever that's good for...
>
> 73 Jeff kb2m

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[Jack Brindle-2]

The K3 makes the determination. With RADIO set to K3, the BAND buttons simply send a command to the K3 that says which button was pressed.
The K3 then does something. In the case of the AUX button, the K3’s decision is based on what features are installed. If a 2 meter module
is installed, the K3 goes to 2 meters. Otherwise it will go to 10 meters. In all cases what the KPA does is determined by the state of the K3’s
BAND outputs.

Then there is the other answer - it has provided many, many questions about its use. ;-)

- Jack Brindle, W6FB

> On Mar 15, 2015, at 11:27 AM, Jim Miller <[hidden email]> wrote:
>
> What purpose does the front panel AUX button serve on the KPA500? Reserved
> for future use?
>
> Not mentioned in the user manual.
>
> 73
>
> jim ab3cv
> ______________________________________________________________
> 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
> Message delivered to [hidden email]

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[Elecraft mailing list]

Mine does the same
Maybe a feature request to have the display in the KPA500 to show AUX?







      From: "[hidden email]" <[hidden email]>
 To: 'Jim Miller' <[hidden email]>; 'Elecraft Reflector' <[hidden email]>
 Sent: Sunday, March 15, 2015 3:29 PM
 Subject: Re: [Elecraft] [KPA500] Front panel AUX button?
   
The AUX button on my KPA500 switched my K3 to 144.200 mHz, and itself to 5.3
MHZ. Whatever that's good for...

73 Jeff kb2m


   
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[Jack Brindle-2]

When the K3 is set to a transverter band, its BAND outputs on the AUX cable go to all zeros.
This is described on page 19 of the K3 manual. The KPA will see this as a switch to the
60m band, and thus will go to that band, displaying 5.3. Thus the behavior you guys
describe is the correct one for both devices.

You can actually fool the KPA into changing to a different band (although you’ll have a
very difficult time getting it to go to 2 meters…) by setting the CONFIG:KIO3 to TRN, and
then assigning the TRN settings in the menu. Again this is described on page 19 of the K3
user manual. Note, however, that if you do this, the K3 will not output the BAND signals
for HF band operation, instead setting them to all zeros. This doesn’t make the KPA500
unusable, though, since it will automatically select the proper HF band when it does see
HF energy on its input. Still, this might not provide the desired user interface for most
ops.

Since the K144XV (or any other transverter) does not output power through the
standard K3 SO-239 connectors, there should be no problems with the KPA seeing
RF on its input. Still, setting the KPA to STBY would be a good idea when you are
using the 2 meter transverter.

- Jack Brindle, W6FB
Elecraft Engineering

>
> On Mar 15, 2015, at 6:21 PM, Harry Yingst via Elecraft <[hidden email]> wrote:
>
>
> Mine does the same
> Maybe a feature request to have the display in the KPA500 to show AUX?
>
>
>
>
>
>
>
>      From: "[hidden email]" <[hidden email]>
> To: 'Jim Miller' <[hidden email]>; 'Elecraft Reflector' <[hidden email]>
> Sent: Sunday, March 15, 2015 3:29 PM
> Subject: Re: [Elecraft] [KPA500] Front panel AUX button?
>
> The AUX button on my KPA500 switched my K3 to 144.200 mHz, and itself to 5.3
> MHZ. Whatever that's good for...
>
> 73 Jeff kb2m
>
>
>
> ______________________________________________________________
> Elecraft mailing list
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>
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> Please help support this email list: http://www.qsl.net/donate.html
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