Operation Manual

the value.
Subwoofer
Default Value: 0 dB
Select a value between "-15 dB" and "+12 dB". Select the desired
volume level accordingly to the test tone which is output as you change
the value.
In the following cases, the settings for "Level Cal" cannot be changed:
Headphones are connected.
"Audio TV Out" is set to "On".
Speakers for which "Sp Config" are set to "No" or "None".
Mute (MUTING) is set.
"HDMI CEC (RIHD)" is set to "On" and you’re listening through your TV
speakers.