Hello Ian!
I am trying to get back into CW and the filters are really odd. If I
bypass the DSP, everything works as I would expect. I can zero beat
using the spot button and the filters are fine. If I have the DSP in, I
cannot get the CW note down to the spot frequency and if I alter from
FL1, I lose the signal. Any ideas guys? I am assuming it is a DSP
problem as it is ok with the DSP bypassed.
The DSP only inserts audio filtering in the path between the receiver
detector and the audio amplifier. Your description causes me to suspect
that the DSP filter settings are not matched to your desired
sidetone/XFIL offset.
Try setting the KDSP2 to its widest audio filter setting for CW, and be
sure the denoiser is set to OFF. This should cause the DSP to have very
little effect on the receive path. If this works, you can then set the
various DSP filters to your liking. This filter setting is the factory
default "CF1".
Lyle KK7P
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