it's possible to make visible DIMMER option in AC/HOME config?

You can use Hijack. Specifically, the Force AC/DC menu option. Check this faq entry.

i have problem problem with dimmer in HOME MODE
ok for FORCED DC MODE but kFTP don't work
and to solve dimmer problem without make haerdware mods i want to visualize DIMMER menu in normal/DC config

enable DC servers in config.ini to get the web and ftp working again.