[Elecraft] [KPA500] latest upgrade

[hawley, charles j jr]

I'm seeing exactly the same behavior. You have to cycle to standby and back to operate if turning on the amp and it's set to start up in operate. 
Also, if I set the pwr in the K3 to "nor", the drive and bypass power feature doesn't seem to work at all. To have the feature work, I have to have the pwr set to "by band".

Sent from my iPad
Chuck, KE9UW 
(Jack for BMW motorcycles)

On Dec 20, 2012, at 5:02 PM, "Gary Gregory" <vk1zzgary at gmail.com> wrote:

> I believe 1.15 had the issue, and 1.18 is the latest revision that should
> have fixed the issue.
> 
> Gary
> 
> On 21 December 2012 09:41, GDanner <gdanner at windstream.net> wrote:
> 
>> I'm having the same issue.
>> 
>> Recently I installed a KAT500 & upgraded both the KAT500 & KPA500 firmware.
>> 
>> I'm sure the K3 was sensing when to use full power (KPA500 = OFF or STBY)
>> or
>> reduced power (KPA500 = On & OPER) before; it did not seem to matter
>> whether
>> the K3 or KPA500 was turned on first.
>> 
>> Now I have to make sure both are on and then switch the KPA500 to STBY then
>> back to OPER otherwise the K3 sends full power (100 watts) to the KPA500 &
>> it faults.
>> 
>> George
>> AI4VZ
>> 
>> -----Original Message-----
>> From: Steve Jackson
>> Sent: Thursday, December 20, 2012 5:31 PM
>> To: don at w3fpr.com
>> Cc: elecraft at mailman.qth.net
>> Subject: Re: [Elecraft] [KPA500] latest upgrade
>> 
>> Don
>> 
>> I believe that I do, and, apparently it wasn't.
>> 
>> The new amp code is set to work 'better' with the KAT500, which I do not
>> have, since I would need a remote version and that's either not yet
>> available or it won't ever be available, I can't tell which.
>> 
>> I will simply go back to the old version of KPA500 code since it was fine
>> for my use.
>> 
>> Steve
>> 
>> ***
>> 
>> On Thu, Dec 20, 2012 at 5:05 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:
>> 
>>> Steve,
>>> 
>>> Do you have both the K3 and the KPA firmware up to the latest level.
>>> I recall seeing something about that relationship before, and I am
>>> thinking it has been fixed.
>>> 
>>> 73,
>>> Don W3FPR
>>> 
>>> 
>>> On 12/20/2012 4:43 PM, Steve Jackson wrote:
>>> 
>>>> My KPA500 used to very reliably automatically set the radio to the
>> 'drive
>>>> power' setting when I switched the amp on.
>>>> 
>>>> Now, I installed the latest amplifier firmware and it doesn't do that
>>>> anymore ... I have to manually toggle the OPER / STBY function.
>>>> 
>>>> Was I supposed to change a variable that I missed?
>>>> 
>>>> Steve KZ1X
>>>> 
>>>> 
>>> 
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> 
> 
> 
> -- 
> *Gary - VK1ZZ
> Motorhome Portable
> The Shack*
> *Elecraft K3
> P3 Panadapter
> KPA500FT
> KAT500FT**
> KX3-K
> *
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