Yes. All that will happen is that the current analogue channels in your TV will go AWOL, but you will still be able to record from the digital Freeview channels.
Doing a re-tune /might/ tidy things up but I don't expect this will be necessary for most TVs.
Everything else will be as in the previous thread, click here
But don't forget to leave A1 selected on the combi box channel selector! :-?