Bryan
You can set the S-Meter to whatever you want, given that most other HF
transceiver S-Meters are nowhere near as accurate as that in a K3. The
recommended setting with firmware ver 1.66 is SMTR SC=14 and SMTR OF=24
(from the firmware notes), whether you calibrate yours with the pre-amp
on or off is a personal choice depending on your use of the pre-amp. As
I mostly use the bands from 80m to 20m without a pre-amp, I calibrated
mine without the pre-amp.
I find my K3 to have a very accurate S-Meter, when set for S9 = 50 uV pd
(-73 dBm), S9 + 20 = -53 dBm, S9 + 40 = -33 dBm and S9 + 60 = -13 dBm.
It's not bad down to about S6, but I'm not too concerned about that.
73 Dave, G4AON
K3/100 #80
http://www.astromag.co.uk/k3/
==============================
I am fully satisfied with my K3 s/n 181, in every respect, it exceeds my
expectations, thank you Elecraft and company. I am puzzled by the
reference on page 9 to Nom S9=50microvolts, preamp on, and for the setup
of [MAIN] SMTR SC. As arrived the settings gave me S9 as 50microvolts,
preamp off, using my XG1. I seem to have been puzzled when I built my
K2, s/n 4421 as well.
Whats the correct method ?
73 Bryan GM3AKF
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