Sony STR-DE435: Dolby Surround Setup

Dolby Surround Setup: Sony STR-DE435

Getting Started

1 Press SET UP.

Dolby Surround Setup

2 Press MENU < or > repeatedly until “CTR

MODE” (centre mode) appears in the display.

Dolby Pro Logic Surround is a system for decoding

Dolby Surround sound that is standardized for TV

3 Use + or – to select the centre mode you want.

programmes and movies. By selecting the proper

A description of each centre mode is as follows:

centre mode and adjusting the speaker volume, you

can reproduce highly precise localization and dynamic

If you have

Select

So that

panning of sounds of Dolby Surround encoded

Front and rear

PHANTOM

The sound of the centre

software.

speakers, but no

channel is output from

centre speaker

the front speakers

To obtain the best possible surround effect, you will

Front and centre

3 STEREO

The sound of the rear

require at least one additional pair of speakers and/or

speakers, but no

(3-CH LOGIC)

channel is output from

a centre speaker.

rear speaker

the front speakers

Front and rear

NORMAL

The bass sound of the

speakers, and a

centre channel is output

small centre

from the front speakers

Locating the speakers

speaker

(because a small

speaker cannot produce

For optimum Dolby Pro Logic Surround sound, locate

enough bass)

your speakers as shown below.

Front and rear

WIDE

The centre channel

Front speakers

speakers, and a

fully reproduces the

centre speaker

entire audio spectrum

that is equivalent

to your front

speakers

Centre speaker

45°

Adjusting the speaker volume

The test tone feature lets you set the volume of your

Rear speakers

rear speakers and/or centre speaker to the same level

Rear speaker

as that of the front speakers to maximize the Dolby Pro

Logic Surround effect. (If all of your speakers are equal

2

to 3 ft.

in performance, you don't have to adjust the speaker

(60 - 90 cm)

Front speaker

volume.)

Using the controls on the remote, you can adjust the

volume level from wherever you're listening.

1 Make sure that the centre mode is correctly set

Selecting the centre mode

(see the table on this page).

The receiver offers you four centre modes:

2 Press SOUND FIELD ON/OFF to turn on the

PHANTOM, 3 STEREO, NORMAL, and WIDE. Each

sound field.

mode is designed for a different speaker configuration.

Select the mode that best suits the speakers you use.

3 Press SOUND FIELD MODE +/– repeatedly to

select “PRO LOGIC”.

4 Press TEST TONE on the supplied remote.

You will hear a test tone (see next page) from each

speaker sequentially.

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Getting Started

5 Adjust the volume level so that the volume of the

Increasing the output level of the rear

test tone from each speaker sounds the same from

speaker by 5dB

where you are listening.

The adjustment range of the rear speakers is preset

To adjust the balance of the front right and front

from –15 to + 10, but you can shift the range up 5 levels

left speakers, use the BALANCE control on the

(– 10 to + 15).

front of the main unit.

To adjust the volume level of the centre speaker,

1 Press SET UP.

press the LEVEL CENTER +/– buttons on the

remote.

2 Press MENU < or > repeatedly until “REAR

To adjust the volume level of the rear speakers,

GAIN” appears in the display.

press the LEVEL REAR +/– buttons on the

remote.

3 Press + or – to select “GAIN UP”.

6 Press TEST TONE on the remote again to turn off

the test tone.

Note

The value for the rear level remain fixed at –15 to +10 in the

display, but you will be able to hear the difference in the

You can adjust the volume level of all speakers at

actual output.

the same time

Rotate MASTER VOLUME on the main unit or press

MASTER VOL(UME) +/– on the remote.

To restore the normal output level

Repeat the procedure above, selecting “GAIN NORM”

in step 2.

What is a test tone?

A test tone is a signal that is produced by the receiver

and used to adjust speaker volume. The test tone is

output from speakers in the following two ways:

When NORMAL, WIDE, or 3 STEREO mode is selected

The test tone is output from the front L (left), centre,

front R (right), and rear speakers (except for 3 STEREO

mode) in succession.

Front (L) Front (R)

Centre

Test tone

3 STEREO

Rear (L, R)

NORMAL/WIDE

When PHANTOM mode is selected

The test tone is output from the front and the rear

speakers alternately.

Front (L, R)

Test tone

Rear (L, R)

PHANTOM

See the table on page 24 for information on the output of

the test tone for sound fields other than PRO LOGIC.

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