> Has anyone else using DM780 with a K3 noticed that very strong psk sigs 
> produce other images on the waterfall? It is about 2k further up or down from 
> the original signal and can be decoded on the screen although weaker. I'm 
> also running LP-Pan but don't notice the images on the panadapter.

Could be LINE OUT level too high or sound card IMD.

> Also related, do strong signals wash out the waterfall display so that weaker 
> ones vanish? 

This is due to AGC action.

> I do center signals I wish to work and cut the filter down to 500hz or so to 
> avoid strong signals in the passband and most of the time it works great.

I often narrow it down to 100 Hz and sometimes 50 Hz!

73,

Lyle KK7P
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