Hi @Egbert and welcome to the community.
Thanks for posting. Are you trying to connect the YouView remote to your TV? What type of TV do you have? Can you confirm the make and model and we'll try to help.
Thanks for replying, but I seem to have magically connected, though I don’t know how! My TV is A Blaupunkt, and there seemed to be several lists all giving different codes, but I must have eventually hit upon the right one.