Yamaha RXA670 Owner's Manual page 96

Layout
Selects a presence layout when presence speakers are used. This setting
facilitates the optimization of the sound field effect.
Settings
Select this option when presence speakers are installed on the front
Front Height
side wall.
Overhead Select this option when presence speakers are installed to the ceiling.
Select this option when using the Dolby Enabled speakers as the
Dolby Enabled SP
presence speakers.
Note
▪ This setting is not available when Presence is set to None .
▪ To play Dolby Atmos contents using the presence speakers, see Presence speaker layout p.
Crossover
Sets the lower limit of the low-frequency components that can be output from a
speaker whose size is set to "Small". A frequency sound lower than the specified
value will be produced from the subwoofer or front speakers.
Settings
40 Hz, 60 Hz, 80 Hz, 90 Hz, 100 Hz, 110 Hz, 120 Hz, 160 Hz, 200 Hz
Note
If the volume and crossover frequency are adjustable on your subwoofer, set the volume to half and
crossover frequency to maximum.
Subwoofer Phase
Sets the phase of the subwoofer. When the bass sound is lacking or unclear,
switch the subwoofer phase.
Settings
Normal Does not reverse the subwoofer phase.
Reverse Reverses the subwoofer phase.
Extra Bass
Enables/disables Extra Bass. When Extra Bass is enabled, you can enjoy
enhanced bass sounds, regardless of the size of the front speakers and the
presence or absence of the subwoofer.
.
Settings
Off Disables Extra Bass.
On Enables Extra Bass.
Note
You can also use BASS on the remote control to enable/disable Extra Bass p.
96
En
.