Dear Juha,
I am not familiar with FIDIA Digit 165 My control is a FIDIA F1.10190 control.
If you have not made DNC connection yet I can ask about FIDIA Digit 165 for you,There are so many FIDIA controls around me.
Please find attached the FIDIA DNC SOFTWARE in ENGLISH, DNC CABLE DIAGRM and FIDIA SLU2 BOARD SETTINGS for FIDIA F1.0190 control.
Best Wishes-Nader