[Elecraft] S-Meter Calibration

[Bill Conkling]

When I built my K3 last summer, I elected to have the S-meter set to
Absolute, so that it doesn't change when I turn off/on ATT/PRE.  It is
supposed to be a measure of signal strength to the radio, is it not?

...bc

-----Original Message-----
From: Alexander Sack [mailto:pisymbol at gmail.com] 
Sent: Wednesday, April 20, 2011 2:59 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] S-Meter Calibration

Hello:

Is it just my unit or did your K3/100 from the factory assembled have
the S-Meter way off in terms of calibration?  I have #4854 which was
assembled from the factory and the S-Meter was WAY OFF.  I mean 50uV
was reading S3.  With my Elmer's scope and the nice tuning directions
in the manual, we got it fairly accurate (S9 is 50uV without PRE on
all bands).

I am just curious if this was standard operating procedure?

Side question, notice what I said, S9 without PRE.  Yet the manual
wants you to turn on PRE.  Why?  That doesn't make any sense to me.

(Apologies if this has been rehashed before, I didn't do a thorough
search on this topic)

-aps
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