This is probably because you are using the rx equalizer and have boosted your 
preferred cw pitch. The narrowest filters (50 and 100 Hz) do not support the 
equalizer, so the boost disappears (this is slightly oversimplified, since 
there is an option for the type of DSP filter used for the narrow bandwidths 
that also affects this).

Anyway, the trick is not to boost any frequency ranges — just have the 
equalizer cut the ones you don’t want.

The rx equalizer doesn’t do much on CW with narrow bandwidths anyway, since the 
bandwidth determines the range of pitches that you hear.

Vic 4X6GP 

> On 30 Jan 2018, at 23:39, Roger D Johnson <[email protected]> wrote:
> 
> I noticed that during the contest, that if I selected 50 or 100 Hz 
> selectivity, the audio would drop way down. It didn't used to be this way. I 
> tried reloading
> an earlier version of the software but couldn't figure out how to do it.
> 
> Hope this comes through, finally!
> 
> 
> 73, Roger
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