re-tuning problem

[aliwake1]

Due to the whole signal change debacle, we finally got around to re-tuning our tv the other day, to attempt to get sbs back.  It worked fine on the tv, and we can view all the channels fine on the tv directly, but the humax doesn't seem to have noticed the re-tune, and still says we have zero signal on our sbs channels.  Does anyone know how to get it working? 
We should be getting plenty of signal - we had a new digital antennae installed a few months ago.

[aliwake1]

it's all good - figured it out.  I'd forgotten the access code so didn't try in the installation menu the other day.  Was able to re-tune the humax in there.