Denon DVD-9000 Operating Lnstructions page 22

setting, then press the ENTER button.
to set the language of the sound output
Remote control unit
Use this to set the language of the subtitles
displayed on the TV.
Use this to set the language of the menus recorded
on the disc (top menu, etc.).
Remote control unit
en press the ENTER button.
When "DIALOG" is selected:
the sound in English.
is when you want to play the DVD with
the sound in French.
Remote control unit
when you want to play the DVD with
the sound in Spanish.
when you want to play the DUD with
the sound in German.
Remote control unit
hen you want to play the DVD with
Use the number buttons to input the language
number. (See "Language code list" on page 38.)