Rien, I have seen this, too.

Well, I suppose I am just being lazy, really. I use Logger32 for everyday logging. I launch DXLab Commander and display the spectrum using that, with the spots overlaid - a bit of eye candy, Bob, K4CY

Thanks, Dave. That makes sense. At least it's not just me being incompetent, as it usually is! :)

I have an Icom IC7300 connected to Com 3. The DXLab Commander connects to the Icom using COM3 at 115200 baud. I have a Com0Com pair set up as COM 14 & com 15. The secondary CAT in DXLab Commander is s