[Elecraft] Weird K-3 Power Behavior

[W3FPR]

Bob,
5th bar flickering is no ALC, but 5th bar solid indicates ALC action.
ALC starts at 5th bar solid.

73,
Don W3FPR

On 4/6/2024 3:41 PM, Bob McGraw wrote:
> Fred et al:
>
> Based on Don's information, 4 bars on solid, 5th bar flickering, 6th 
> bar is beginning of ALC.    Also I seem to recall an exchange of 
> information with a member of the  Elecraft staff that confirmed the 
> beginning of ALC at the 6th bar.
>
> I think this is getting into a hair splitting issue.
>
> 73
>
> Bob, K4TAX
>
>
> On 4/6/2024 2:03 PM, Fred Jensen wrote:
>> Hmmm ... I thought that the ALC started AT the 5th bar and the first 
>> 4 bars were sort of a VU-meter.  Hence Don's occasional advice, "4 
>> full bars and the 5th occasionally flickering."  I've been known to 
>> get things wrong in the past however.
>>
>> 73,
>>
>> Fred ["Skip"] K6DGW
>> Sparks NV DM09dn
>> Washoe County
>>
>> Bob McGraw wrote on 4/6/2024 8:50 AM:
>>> Just to be clear on the point.  The correct audio level should 
>>> produce 4 bars indicated on the ALC Scale.  Actual ALC action does 
>>> not start until after the 5th bar.
>>>
>>> Yes, after any power adjustment, the audio system does start at 
>>> lower gain, quickly ramping to the desired level.  This is done to 
>>> prevent any potential power overshoot.  After the initial 
>>> transmission at the new power setting, the remainder of 
>>> transmissions are at the proper power level setting.
>>>
>>> 73
>>>
>>> Bob, K4TAX
>>>
>>>
>>> On 4/5/2024 5:50 PM, elecraft-request at mailman.qth.net wrote:
>>>> Message: 14
>>>> Date: Thu, 4 Apr 2024 21:03:20 -0400
>>>> From: Pete Smith N4ZR<pete.n4zr at gmail.com>
>>>> To:elecraft at mailman.qth.net
>>>> Subject: Re: [Elecraft] Weird K-3 Power Behavior
>>>> Message-ID:<59c02b5d-1800-4a78-9d73-60461d231efb at gmail.com>
>>>> Content-Type: text/plain; charset=UTF-8; format=flowed
>>>>
>>>> I just set the audio to be sure I'm? hitting 4 bars of ALC,and the 
>>>> cycle
>>>> of adjust K-3 power to full expected drive to the KPA-1500 is now more
>>>> like CW, but the question remains -? after I adjust the power a tiny
>>>> fraction in either direction, why does the K-3's output power drop way
>>>> back and relatively slowly recover?
>>>>
>>>> 73, Pete N4ZR
>>
>>
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