Have a look at the How to Set Up and Interpret the PX3 Display in the PX3
manual where this is explained (Or the Why??? section in the KE7X KX-Line
book). Basically the PX3 and KX3 are different bandwidth detectors so the
signal levels displayed generally won't be the same. They are two different
instruments meant to show two different things. The KX3 s-meter shows you the
signal level you have to work with in the KX3 with its bandwidth and signal
processing active and the PX3 is far more useful to show the relative signals
across the band.
Cheers,
Fred KE7X
For all KE7X Elecraft books see ww.ke7x.com
________________________________
From: Elecraft <elecraft-boun...@mailman.qth.net> on behalf of Fred Moore
<f...@fmeco.com>
Sent: Saturday, April 1, 2017 4:38 PM
To: elecraft@mailman.qth.net
Subject: [Elecraft] kx3 px3
Anyone have any thoughts on getting the scale on the px3 to match the
s-meter on the kx3..
when the kx3 is showing a s9 signal the px3 is showing about s6.. 3
s-units..
I have the pre-amp set to 20db, with a precision HP signal generator a
50mv signal does read S9 on the KX3 like it should, the px3 reads about
3 S units lower..
All cables are secure, and are the supplied cables between the kx3, and px3
Scale and Reference do not effect the delta between the readings..
surely there must be an adjustment I am missing in the PX3
This is a new PX3 built it yesterday morning, everything else works
properly.. ?????
latest firmware KX3 and PX3
Regards.. Fred
--
Fred Moore
email: f...@fmeco.com
f...@safes.com
phone: 321-217-8699
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