Pioneer SC-25 Operations Instructions download pdf (Page 66)

Listening to your system

• AUTO SURROUND – See Auto playback on page 61.

• ALC – Listening in Auto level control mode (page 61).

• DIRECT – Sources are heard according to the

settings made in the Surround Setup (speaker

setting, channel level, speaker distance, acoustic

calibration EQ, and X-curve), as well as with dual

mono, the input attenuator, and any sound delay and

hi-bit/hi-sampling (SC-25 only) settings. You will hear

sources according to the number of channels in the

signal.

• PURE DIRECT – Analog sources are heard without

any digital processing.

No sound is output from the

Speaker B in this mode.

• OPTIMUM SURR – Listening in Optimum Surround

mode (page 61).

Using surround back channel

processing

•Default setting: SBch ON

You can have the receiver automatically use 6.1 or 7.1

decoding for 6.1 encoded sources (for example, Dolby

Digital EX or DTS-ES), or you can choose to always use

6.1 or 7.1 decoding (for example, with 5.1 encoded

material). With 5.1 encoded sources, a surround back

channel will be generated, but the material may sound

better in the 5.1 format for which it was originally

encoded (in which case, you can simply switch surround

back channel processing off).

• With a 7.1-channel surround system, audio signals

that have undergone matrix decoding processing

through surround back channel processing to which

the Up Mix function is added are output from the

surround back speakers.

SC-27:

SC-25:

1 Set the remote control to the receiver operation

mode.

2 Press

SBch

repeatedly to cycle the surround back

channel options.

Each press cycles through the options as follows:

• SBch ON –

Matrix decoding processing for

generating the surround back component from the

surround component is turned on.

• SBch AUTO – Matrix decoding processing for

generating the surround back component from the

surround component is switched automatically.

Matrix decoding processing is only performed when

surround back channel signals are detected in the

input signals.

• SBch OFF –

Matrix decoding processing for

generating the surround back component from the

surround component is turned off.

Using the Virtual Surround Back mode

• Default setting: OFF

When you’re not using surround back speakers,

selecting this mode allows you to hear a virtual surround

back channel through your surround speakers. You can

choose to listen to sources with no surround back

channel information, or if the material sounds better in

the format (for example, 5.1) for which it was originally

encoded, you can have the receiver only apply this effect

to 6.1 encoded sources like Dolby Digital EX or DTS-ES.

• Press

SBch

repeatedly to cycle the virtual surround

back channel options.

Each press cycles through the options as follows:

• VirtualSB ON – Virtual Surround Back is always used

(for example, on 5.1 encoded material)

• VirtualSB AUTO – Virtual Surround Back is

automatically applied to 6.1 encoded sources (for

example, Dolby Digital EX or DTS-ES)

• VirtualSB OFF – Virtual Surround Back mode is

switched off

Note

1 There are cases where a brief noise is heard before playback of sources other than PCM. Please select AUTO SURROUND or DIRECT if this

is a problem.

SOURCE

RECEIVER

VOL

TV CONTROL

RECEIVER

PGM MENU

STEREO

SIGNAL SEL SLEEP AUDIO

INFO

DIMMER

A.ATT SBch MCACC

HDMI OUT

D.ACCESS

ENTER

CLASS

DISP

DIRECT

STANDARD ADV

SURR

SBch

2 • You can’t use the Virtual Surround Back mode when the headphones are connected to this receiver or when any of the THX, stereo, Front

Stage Surround Advance or Stream Direct mode is selected.

•

You can only use the Virtual Surround Back mode if the surround speakers are on and the

setting is set to

or if

Front Bi-Amp

Speaker B

or ZONE 2 is selected at Surr Back System.

• The Virtual Surround Back mode cannot be applied to sources that do not have surround channel information.

INPUT

123

HDMI

OUT

SLEEPMCACC

SELECT

SIGNAL SEL

456

DIMMERA.ATTSBch

789

CLASS

MASTER

VOLUME

CH LEVELD.ACCESS

/CLR

ENTER

SBch

REMOTE

SETUP

ZONE 2

MAIN

ZONE 3

ANT

AUDIO

MULTI OPE

INFO

DISP

MPX PQLS

MEMORY

RECEIVER

TV CTRL

RECEIVER

SC-27_25.book Page 66 Monday, April 6, 2009 7:15 PM

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Pioneer SC-25 Operations Instructions Page 66

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