Apologies for the delay - family things, etc.
I think this is the screen you're talking about, if not, please point me in the right direction?
Tvheadend - Mozilla Firefox_008.png – Keybase.pub
Is there anything, in particular, I should have done? I'm pretty new to DVB-on-Linux... do I need to copy firmware files around, or is it just "install the progam add-on, open it, select the right thing, reboot"?