[Elecraft] K3 Voltmeter calibration ...

[Joe Subich, W4TV]

It matters not if there is a series diode.  The Voltmeter should
be calibrated to the input power.  I remember that being the case
when I assembled my first K3.

73,

    ... Joe, W4TV


On 11/24/2015 11:02 AM, Michael Blake wrote:
> Joe, is there not at least one diode junction or solid state switch in series with the input power inside the K3?
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> Michael Blake - K9JRI
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>> On Nov 24, 2015, at 10:06 AM, Joe Subich, W4TV <lists at subich.com> wrote:
>>
>>
>> OK, I'm sure I am overlooking something simple but I can not find
>> (or remember) how to calibrate the voltage display in the K3.
>>
>> I had to repair one of my Astron RS-35A power supplies for the first
>> time in 30 years (one of the diodes shorted) and when I put it back on
>> line I decided to double check the K3 Volts display against the actual
>> output of the supply.  The K3 is reading about 0.2V less than the
>> supply voltage.
>>
>> I've been over both the K3 Owner's Manual and the K3 Assembly
>> Instructions but can't find any reference to calibrating the voltage
>> display.
>>
>> 73,
>>
>>    ... Joe, W4TV
>>
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