[Elecraft] K3 S-meter on sub-Rx
Edward R. Cole
kl7uw at acsalaska.net
Wed Mar 30 05:05:41 EDT 2011
I am installing a new 2m transverter to my K3 and ran into an issue
with the s-meter on the K3.
The transverter has two Rx circuits so both the main and sub-Rx in
the K3 are fed with converted 2m signal. I was adjusting the IF gain
in the transverter so that the noise level would read S2-S3 on the
K3. These are two separate gain pots one controlling the input to
KVX3 Rx input and the other the aux input.
All that was going well, but I discovered that the s-meter only
indicates signals from the main-Rx. I have the sub-Rx input coming
from the aux antenna and not being fed from ANT1. I can hear the
change in noise level in the sub-Rx when I connect/disconnect to the
aux antennas jack, but it is not showing up on the s-meter when the
sub Rx is selected. I discovered this after a lot of confusion,
thinking I had a problem in the sub-Rx.
Is this normal (no s-meter reading from the sub-Rx?). It is not
really a big issue as I can adjust the level by looking at my two
LP-Pan displays. Just very surprised by the lack of s-meter function
on the sub-Rx. I wonder if this is an issue when running in
transverter mode (CONFIG: XVN ON)?
73, Ed - KL7UW, WD2XSH/45
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