I reset to defaults and started over.
This time the unscrambled NITV channel comes on.
But none of the scrambled channels do.
The Fenrir monitor shows asterisks flickering continuously.
The Irdeto field contains 0 and the SA field changes every few seconds.
The Yankse monitor shows Key field as ...

I have ProgDVB v6.34.02,
it seems to recognise my card OK (DM1105 DVBS BDA Tuner Filter),
and picks up Aurora Optus C1 75%/65%,
lists the channels OK which are encrypted with Irdeto-1.
The only green channel is NITV, but it doesn't come on the screen.

I have plugins Fenrir and YANKSE active ...