Just to update this: i found out that the hu-801 unit does not have an equalizer. I tried an hu-803 and right away played with the equalizer and other options, the hu-801 has a few basic hidden menus but those are different from the hu-803.

So, if anyone is wondering about the equalizer on the hu ...

Hi there.

I'm new to the forums, so, i appologize in advance if this question was answered already, but i searched for it and found nothing related.

My S80 has an HU-801 and everything works fine except the hidden menus! I got the .pdf with the combinations for the different menus and i tried most ...