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KPA500 Switch Off

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Geoffrey Downs-3

KPA500 Switch Off

If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.

73 to all

Geoff
G3UCK
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w0mu

Re: KPA500 Switch Off

Good idea!

On 8/21/2011 2:42 PM, Geoffrey Downs wrote:

> If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.
>
> 73 to all
>
> Geoff
> G3UCK
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Iain MacDonnell - N6ML-2

Re: KPA500 Switch Off

I agree that it's a good idea, but I wonder if it's feasible... It
appears the the KPA500 is currently only transmitting on the AUXBUS,
not receiving. If it was able to receive, it seems there shouldn't be
a need for BCD band-data in the AUX cable for a K3 (although other
rigs would still need it). So, perhaps there's no way for the KPA500
to "know" when the K3 has been powered off. Details of AUXBUS workings
seem to be somewhat shrouded in mystery......

73,

~iain / N6ML

On Sun, Aug 21, 2011 at 9:06 PM, Mike Fatchett W0MU <[hidden email]> wrote:

> Good idea!
>
> On 8/21/2011 2:42 PM, Geoffrey Downs wrote:
>> If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.
>>
>> 73 to all
>>
>> Geoff
>> G3UCK
>> ______________________________________________________________
>> Elecraft mailing list
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Rick Tavan N6XI

Re: KPA500 Switch Off

In reply to this post by Geoffrey Downs-3

There was a time when I really wanted a single switch (the infamous "big switch" that one "pulled" at day's end) to turn on/off everything in the shack. That was before almost everything embedded a CPU. Now I'm quite willing to switch 'em all manually. If everything is on, that's less than a dozen and takes about 15 seconds. Now that I'm retired, that doesn't seem too oppressive. ;-)

Rick N6XI

On Aug 21, 2011, at 1:42 PM, "Geoffrey Downs" <[hidden email]> wrote:

N5GE

Re: KPA500 Switch Off

In reply to this post by Iain MacDonnell - N6ML-2

If it doesn't receive on the AUXBUS, why does it change bands when I use the
band button on the K3 to change bands? :-)

73,
Tom
Amateur Radio Operator N5GE
ARRL Lifetime Member
QCWA Lifetime Member

On Sun, 21 Aug 2011 21:42:10 +0000, iain macdonnell - N6ML <[hidden email]>
wrote:

>I agree that it's a good idea, but I wonder if it's feasible... It
>appears the the KPA500 is currently only transmitting on the AUXBUS,
>not receiving. If it was able to receive, it seems there shouldn't be
>a need for BCD band-data in the AUX cable for a K3 (although other
>rigs would still need it). So, perhaps there's no way for the KPA500
>to "know" when the K3 has been powered off. Details of AUXBUS workings
>seem to be somewhat shrouded in mystery......
>
>73,
>
> ~iain / N6ML
>
>
>
>On Sun, Aug 21, 2011 at 9:06 PM, Mike Fatchett W0MU <[hidden email]> wrote:
>> Good idea!
>>
>> On 8/21/2011 2:42 PM, Geoffrey Downs wrote:
>>> If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.
>>>
>>> 73 to all
>>>
>>> Geoff
>>> G3UCK
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
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>> ______________________________________________________________
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Amateur Radio Operator N5GE

Don Wilhelm-4

Re: KPA500 Switch Off

Tom,

The KPA500 reads the band data output of the K3.

If you change bands on the KPA500, it signals the K3 over the AUXBUS,
and the KPA500 does not change bands immediately, it waits until the K3
band data outputs indicate the band it is to switch to.

73,
Don W3FPR

On 8/21/2011 9:05 PM, [hidden email] wrote:

> If it doesn't receive on the AUXBUS, why does it change bands when I use the
> band button on the K3 to change bands? :-)
>
> 73,
> Tom
> Amateur Radio Operator N5GE
> ARRL Lifetime Member
> QCWA Lifetime Member
>
>
> On Sun, 21 Aug 2011 21:42:10 +0000, iain macdonnell - N6ML<[hidden email]>
> wrote:
>
>> I agree that it's a good idea, but I wonder if it's feasible... It
>> appears the the KPA500 is currently only transmitting on the AUXBUS,
>> not receiving. If it was able to receive, it seems there shouldn't be
>> a need for BCD band-data in the AUX cable for a K3 (although other
>> rigs would still need it). So, perhaps there's no way for the KPA500
>> to "know" when the K3 has been powered off. Details of AUXBUS workings
>> seem to be somewhat shrouded in mystery......
>>
>> 73,
>>
>> ~iain / N6ML
>>
>>
>>
>> On Sun, Aug 21, 2011 at 9:06 PM, Mike Fatchett W0MU<[hidden email]> wrote:
>>> Good idea!
>>>
>>> On 8/21/2011 2:42 PM, Geoffrey Downs wrote:
>>>> If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.
>>>>
>>>> 73 to all
>>>>
>>>> Geoff
>>>> G3UCK
>>>> ______________________________________________________________
>>>> Elecraft mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>>> Help: http://mailman.qth.net/mmfaq.htm
>>>> Post: mailto:[hidden email]
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>>>> This list hosted by: http://www.qsl.net
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>>> ______________________________________________________________
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>>>
>> ______________________________________________________________
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> ______________________________________________________________
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Ken Wagner K3IU

Re: KPA500 Switch Off

Tom,

And... it (KPA500) also senses the
frequency of the incoming RF and makes
sure that it is on the correct band. It
doesn't need the band data outputs.

73, Ken K3IU
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
On 8/21/2011 9:16 PM, Don Wilhelm wrote:

> Tom,
>
> The KPA500 reads the band data output of the K3.
>
> If you change bands on the KPA500, it signals the K3 over the AUXBUS,
> and the KPA500 does not change bands immediately, it waits until the K3
> band data outputs indicate the band it is to switch to.
>
> 73,
> Don W3FPR
>
> On 8/21/2011 9:05 PM, [hidden email] wrote:
>> If it doesn't receive on the AUXBUS, why does it change bands when I use the
>> band button on the K3 to change bands? :-)
>>
>> 73,
>> Tom
>> Amateur Radio Operator N5GE
>> ARRL Lifetime Member
>> QCWA Lifetime Member
>>
>>
>> On Sun, 21 Aug 2011 21:42:10 +0000, iain macdonnell - N6ML<[hidden email]>
>> wrote:
>>
>>> I agree that it's a good idea, but I wonder if it's feasible... It
>>> appears the the KPA500 is currently only transmitting on the AUXBUS,
>>> not receiving. If it was able to receive, it seems there shouldn't be
>>> a need for BCD band-data in the AUX cable for a K3 (although other
>>> rigs would still need it). So, perhaps there's no way for the KPA500
>>> to "know" when the K3 has been powered off. Details of AUXBUS workings
>>> seem to be somewhat shrouded in mystery......
>>>
>>> 73,
>>>
>>> ~iain / N6ML
>>>
>>>
>>>
>>> On Sun, Aug 21, 2011 at 9:06 PM, Mike Fatchett W0MU<[hidden email]> wrote:
>>>> Good idea!
>>>>
>>>> On 8/21/2011 2:42 PM, Geoffrey Downs wrote:
>>>>> If firmware could give an option for the the KPA500 to switch off automatically when the K3 is switched off (using AUX cable), would people find it convenient? I certainly would.
>>>>>
>>>>> 73 to all
>>>>>
>>>>> Geoff
>>>>> G3UCK
>>>>> ______________________________________________________________
>>>>> 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
>>>> ______________________________________________________________
>>>> 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
>>>>
>>> ______________________________________________________________
>>> Elecraft mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>> Help: http://mailman.qth.net/mmfaq.htm
>>> Post: mailto:[hidden email]
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>>> This list hosted by: http://www.qsl.net
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>> ______________________________________________________________
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>>
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Karl-Heinz - DL2FAG

KPA500 and SteppIR - interconnection

In reply to this post by Don Wilhelm-4

Hello,

I am planning in the near future to buy the KPA500. I am just thinking how to do the interconnection of the different units. So far I understood, that the communication between the K3 and the KPA500 is complete. Is there a way to implement the SteppIR controller as well - for example that the TX is waiting till the STeppIR is correct on the band etc.

Haven't found any description yet how to connect a K3, KPA500 and the SteppIR Controller?

73

Karl, DL2FAG

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