http://elecraft.85.s1.nabble.com/voltmeter-offset-and-accuracy-in-K2-tp380698p380703.html
able to be more or less in a second. I let you know wich one I use...
> Folks,
>
> After thinking about this voltmeter 'adjustment' a bit more, I
> discovered I
> had erred. The value of R10 should be INCREASED to make the
> reading higher.
> Sorry - I guess I had a 'senior moment' and got my head turned
> around wrong.
>
> 73,
> Don W3FPR
>
>
>> -----Original Message-----
>>
>> Jean-Francois,
>>
>> You certainly could do that - it should not alter any other
>> function that I
>> am aware of. The current display can be trimmed by changing
>> Control Board
>> R7.
>>
>> R10 and R7 are 1% resistors, and that provides repeaability from
>> one K2 to
>> another - one could hand-pick from 5% resistors just as well.
>> I personally would be concerned about leaving a trimmeer in place
>> because of
>> the possibility of the setting being changed, but certainly using
>> a trimmer
>> to determine the exact value required would be an easy method.
>>
>> 73,
>> Don W3FPR
>>
>>
>>> -----Original Message-----
>>>
>>> Hi Don,
>>>
>>> You said : "By lowering the value of R10 ..." Could I just put a
>>> trimmer near that value instead of R10 and tune the trimmer so that
>>> the voltage displayed match more closer the real external
>>> voltage ???
>>>
>>> And could I do limilar thing with the current display ???
>>>
>>> I don't want to be more catholic than the Pope, but is it
>>> possible to
>>> do those mods ???
>>>
>>> Best 73 from a junior ;-)
>>>
>>> Le 05-07-23 à 18:56, W3FPR - Don Wilhelm a écrit :
>>>
>>>
>>>> Steve,
>>>>
>>>> Although some have been confused by the readings at first, I don't
>>>> see any
>>>> advantage in modifying the internal voltmeter to read the external
>>>> supply
>>>> voltage - what it reads is the actual voltage the K2 is operating
>>>> at - but
>>>> if changing it is your choice, by all means do it - it should be a
>>>> simple
>>>> task of padding R10 (or lowering its value a bit).
>>>>
>>>
>>>
>>> ======
>>>
>>> Jean-François Ménard / VA2VYZ
>>>
>>>
>>
>>
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