One nice feature of the DSP for CW operation is the ability to open up
the filters for bands that seem to be dead or have little activity.
You set the crystal filter to its widest bandwidth and put the DSP in LP
(its widest setting). Activate the denoiser.
The band is quiet, background noise heavily suppressed.
If a signal pops up anywhere in the passband -- even a weak one -- the
DSP nearly instantly builds a narrow filter around it. Somewhat like
squelch on an FM radio, you hear the signal when it is there, and it is
really quiet when no signals are present.
It really helps reduce listening fatigue for monitoring.
Now, with the current sunspot situation, I am sure this never happens,
but if it did... :-)
73,
Lyle KK7P
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