Marshall,
There is no adjustment - The voltage measuring circuits are usually
quite accurate (fixed with 1% resistors).
1 volt is a lot of difference. Normally there will be a 0.3 volt
difference between the actual power supply voltage and the voltage
internal to the K2 because of the voltage drop across the reverse
polarity protection diode D10 and there may be a bit of voltage drop
across F1 (the resettable fuse).
If you really have a 1 volt drop, you should look for a bad solder
connection in the DC supply line.
Also, where are you measuring the voltage? If you are measuring it
directly at the power supply, examine the connecting cable carefully and
be certain its connection to the power supply is tight - loose
connections will cause a significant voltage drop which varies with the
current drawn.
73,
Don W3FPR
William Marshall Denny II wrote:
Hello to all,
A annoyance with my k2 is that the voltage reading when I tap the
display button reads 1 full volt low comparied to both of my multimeters.
Is there a way to adjust for this error?
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