eon 65...and sound windows parameter (language, subtitle)

bonjour
I use XBMC with windows-like remote.
when i want to change something (subtitle, language etc..) during à film I press OK then OSD appear. fine.
choosing the good button ...fine
and then the windows with ethe sound parameter has not the focus..... and impossible to find witch button on remote can give the focus...
i must click with the mouse to give the focus and then change the sound parameter....
someone have ideas ?
cause "je séche" in french...
thank..