Hi Nicola,
The settings in your RRC and PC Client should be identical for COM1. It should work just fine.
I assume that you are using the correct COM port in Windows, since COM1 will likely not be
COM1 in Windows.
I suggest that you provide your RRC COM1 settings and PC Client settings, so that either
the guys in Sweden can look at it, or maybe I can see what the problem is.
73,
Mitch DJ0QN / K7DX