[Elecraft] CMP/Power/Mon knob response

[Julian, G4ILO]

Bill Coleman  N2BC wrote:
> 
> Julian, G4ILO wrote:
>>
>> W0MU Mike Fatchett wrote:
>>   
>>> The response of the knob is poor especially turning it at slow speeds.
>>> Meaning that I have a tough time adjusting the power or the compression
>>> to
>>> what I want.  It works better turning it faster.  Anyone else seen this?
>>>
>>>     
>> Yes, I first noticed it after the firmware started using the front panel
>> flash memory, though that may be a coincidence. I think the response time
>> depends on how busy the processor is, in other words, what it is doing at
>> the time. Some computer logging programs poll the radio excessively (in
>> my
>> opinion, for example ten times a second) to get the current frequency,
>> mode,
>> etc. If you are running such software at the same time as you are
>> twiddling
>> the knobs, that could account for what you are seeing.
>>
> No problem here /w SN 929 & 2.82 FW.  I have some software that polls 
> the K3 with up to 20 commands as fast as it can respond & see no 
> difference in any of the encoders, turning them fast or slow, with and 
> without the serial port activity...
> 
> 

I was referring to a perceptible delay between turning the knob and seeing
the value change on the display. Upon re-reading Mike's post, it seems
possible he is experiencing a different symptom, which may be due to a
faulty encoder as Wayne suggested.

-----
Julian, G4ILO. K2 #392  K3 #222.
http://www.g4ilo.com/ G4ILO's Shack   http://www.g4ilo.com/blog.html G4ILO's
Blog    http://www.g4ilo.com/kcomm.html KComm for Elecraft K2 and K3 
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