Sony Walkman MZ-R909 Operating Instructions Manual page 54

Notes
• If the "AUDIO OUT" parameter for the i/
LINE OUT jack is set to "LINE OUT", VOL
+/– or Digital Sound Preset will not function.
• The "AUDIO OUT" parameter for the i/
LINE OUT jack cannot be set to "LINE OUT"
when the remote control is connected.
• When you connect the headphones/earphones
directly to the recorder, set the "AUDIO
OUT" parameter for the i/LINE OUT jack to
"HeadPhone".
54