Sony STR-D515 - Manual (Page 15)

Obtaining the Surround Effect
You can add 3 types of surround effects to the software. To
enjoy the surround effects, two front and two rear speakers
are necessary.
In tire Dolby surround mode, the speaker operation mode
can be selected according to your speaker configuration.
Available Types of Surround Effects
Selecting the Surround Mode
HALL: Provides reverberation effect that is produced in a
concert hall.
SIMULATED: Gives a simulated stereo effect to monaural
sound.
DOLBY: Expands sound just like listening to in a movie
theater.
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Press SUR (SURROUND) ON/OPF to ON.
Press SUR (SURROUND) MODE to select the
surround mode.
Each time the button is pressed, the HALL,
SIMULATED or DOLBY surround mode is selected
cyclically and the corresponding indicator lights up
When selecting the DOLBY surround mode,
press CENTER MODE on the front panel to
select the center mode (PHANTOM, 3 CH,
NORMAL or WIDE).
Once the center mode is selected, the setting will be
recalled whenever the DOLBY surround mode is
selected unless you change the center mode. See
"Placement of Speakers and Selecting the CENTER
MODE for Dolby Surround Sound" on next page.
Note
When you wish to enjoy the surround function, set the
SPEAKERS A button or both A and B buttons to on. If only
the SPEAKERS B button is set to on (that is, the SPEABCERS
A button is set to off), the surround effect cannot be
obtained.
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