[Elecraft] KPA500 Switch Off

[Ken Wagner K3IU]

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, n5ge at n5ge.com 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<ar at dseven.org>
>> 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<w0mu at w0mu.com>   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
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