Audio Adjust - Onkyo TX-NR545 Manual

Advanced Settings (Setup Menu)
3. Audio Adjust
Configure various settings related to sound, such as settings for listening to
multiplex audio or multilingual TV broadcasts and sound field settings for
listening modes.
Multiplex/Mono
Multiplex
Input Channel
Default Value: Main
Set the audio channel or language to be output when playing multiplex
audio or multilingual TV broadcasts etc.
"Main": Main channel only
"Sub": Sub channel only
"Main/Sub": Main and sub channels will be output at the same time.
If multiplex audio is being played, "1+1" will be displayed when
DISPLAY is pressed.
Mono
Input Channel
Default Value: Left+Right
Set the input channel to use for playing any 2 ch digital source such as
Dolby Digital, or 2­ch analog/PCM source in the Mono listening mode.
"Left": Left channel only
"Right": Right channel only
"Left + Right" : Left and right channels
Dolby
Make the settings for Dolby listening mode.
Loudness Management
Default Value: On
Enable the Late Night function that allows you to enjoy surround sound
of Dolby TrueHD playback even in low volume.
"On": Use this function