Yamaha YAS-70 - Manual (Page 28)

Adjusting the virtual speaker settings
24
En
■ Adjusting the position of the virtual surround speakers
This system employs the Yamaha Air Surround system that enables the surround sound field using the center system and
the subwoofer/system control. This system creates the surround sounds by using the reflections on the walls of your
listening room. Use this feature to achieve the ideal surround sound.
y
To reset the volume level and the beam angle of all virtual speaker channels to the factory settings, press INPUT on the front panel while
a test tone is output.
y
Adjust the angle so that the first reflection point is located posterior to the listening position and the sound of surround speaker channel
audio reaches the listening position after reflections.
Virtual surround speaker
positions
Listening position
Center system
BEAM R
(Right surround virtual speaker
angle setting) BEAM L
(Left surround virtual speaker
angle setting)
First reflection point
First reflection point
1 Press
TEST to activate the speaker test mode.
This system outputs test tones.
2 Press
L or R repeatedly to select the desired angle
setting of the left or right surround virtual speaker
channel.
“BEAM L” or “BEAM R” and the angle setting appears in
the front panel display.
Choice: 20º, 30º, 40º, 50º, 60º
3 Press
TEST again to exit from the speaker test
mode.
y
This system automatically returns to the speaker balance setting mode
after a few seconds that you perform the operation of step 2.
BEAM L 40
Selected virtual surround
speaker channel
Current angle setting
DISP
. MODE
DIMMER
ROOM E
Q
DEC.
MODE
CENTER
SW
NIGHT
MEMO
AU
TO
/MAN'L
PRESET
/TUNE
R
SUR.
L
TEST
1,3
2