Cambridge audio Azur 551r User manual

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Audio

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Audio

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-This

guide is designed to make installingand usingthis product

as easy as possible. Information in this document has been

carefully checked for accuracy

the time of printing; however.

Cambridge Audio's policy is one

continuous improvement.

therefore design and specifications are subject to change

without prior notice.

s document contains proprie

tary

information prot

ted

pyright.

All

ghtsare reserved. No part

this manual maybe

reproduced

mechanical, electronic or other mean

any

form, without prior written permission of the manufacturer.

All

trademarks and registered trademarks arethe property oftheir

respective owners.

Incognito and Incognito

Read

y are trademarks

Cambridge

©Copyright Cambrid

Audio

ltd

2011

Manufactured u

er licen

from Dolby Laborato

. "Dolby"

the double-Dsymbol aretrademarks

DolbyLaboratories.

Manufactured under license under

U.S.

Patent #'s: 5,451,942;

956

,674; 5,974,380; 5,978,762; 6,226,616; 6,487,535;

7,212,872: 7,

333

,929; 7,392,195; 7,272,567 & other U

.S.

worldwide patents issued & pending.

DTS

a registered

trademark and the

DTS

logos, Symbol,

DTS-HD

Master

dio are trademarks

DTS

c. ©

1996

2011

DTS

All

Righ

ts Reserved.

"HDMI","HDMI lo

go"

gh-Definition Multimedia

terface"

are

adema

s or registered

ademarks

HDMI

censing

LLC

-""'\

-----------------------------------

\ I

,_,'

Contents

Introduct

ion .......................................................................................................3

Importan

t safety instructions..... ..........

...........

.......... ...................

............

Limited warranty..........................................................................

.....................5

Front panel controls.......................

.....................

..........................................6

Rear panel connections.....................................................................................7

Apple

vice compatibility..............................................................

......

.........8

Remote control....................................................................................................8

Loudspeaker connections

.............

..................................................... ..........9

Fro

pan

display.....................

...................................

.............................9

Digital audio connections..................

...........................................................

Analogue audio connections..........................

..................

..............

....

......

HDMI input connections.................................. .........

.........

...

...........

Analogue video

input

connections

..............

.....................

.................

....

Video

output

connection (HDMI) .......................................

..........

...

..............

5.1/7.1

Direct in.................................

............................................................

7.1 Preamp

out

.................................................................................................

Aerial connections .............. ........

...

.........................................

...

...............

aerial.

....

................................

.................................................

....

.........

AM loop aerial.............................

...................................................................13

Front

input

connect

ions ...............

.............

....

...

....

................

..............

551R

setup........................................................................................................

1. Speaker configuration

....

....................................................................

2. Speaker setup......................................................................................

Speaker delay............................................

..........

.................................

Level

libration ................

...............

.....

......

...........................

...

......

Auto speaker

set

for

Dis

tance/

Level .........................

....

........................

Assigning Video

inputs

............................................................................

Scaler Assign/Processing...........

.....

.................................................

Sour

tup

....

...

.........................

...

...........................................

........

Audio conn

ect

ion type.......

.....................................................................

und

modes

.......

................

............................

.......................

Operating i

tru

ions...................................................... ...............................

Selecting

the

source ......................................................................

...........

Using

the

Tuner.......................................

............

..................

...

....

Lip sync .

.......................

..........................................

...........

...............

....

Using A

................................................

............................................

.....

Audio spl

mode..................

...

..............

.......

........................................

Advanced

set

up ......

...........................

..................

...

...........

....

.............26

Sub crossovers and bass manageme

n\..

.................

.....

........................

Bi-

amp

ing..

.................................................................................................

TonejSub/ L

config

tion

..............................

....

......

.........................

OSD se

tup

.....................................

...

.......

.........

............

....

...

.....

............

Advanced Dolb

y/D

TS a

dju

tments

.......................

...

.............................

Dyn

amic

e control

....

.........................

...............

....

..............................

S-

speaker re-map .........

...........................................

.....................

set;

Back-up memory ..

..........

...

.............................................

...................

Tro

ubl

eshoot

ing...............

......

.......

...................

...

.......

....

........................

Technical specifi

cat

ons

............

..........

.................

....

.....

...

..................

Introduction

Thank

you

for purchasing this 551R

Receiver.

are confident that

you

will enjoy many years

listeningpleasure from it. Like all Cambridge Audio

products the 551R adheres to our three core principles -stunning

performance, ease

use and incredible value.

such, the seven 60W audiophile grade fully discrete amplifiers are kept

separate

possible from the processing and input stages and feature a

large power supply with a low flux toroidal transformer. This careful design

the amplifier stages ensure that the 551R can reproduce the dynamics and

scale required for modern movie soundtracks whilst also being able to

reproduce a genuinely musical performance with either stereo or

multichannel music sources.

Afull range

HDMI

, digital and analogue inputs are fitted. These allow the

connection

suitably equipped Blu-ray players,

DVD

players, satellite/set-

top

boxes

and games consoles for decoding into stereo, stereo + sub or

various digital surround formats.

The

latest formats are supported including Dolby

True

Dolby

Digital Plus,

DTS

Master Audio and

DTS

High

Resolution Audio

5.1 or 7.1

variants.

particular support for the true lossless

Dolby

True

and

DTS-

Master Audio formats provides unprecedented audio fidelity from Blu-ray

discs.

Various

HDMI

1.4 features are supported including 3D

and deep-colour

pass-through from suitable sources and Audio Return from

TVs

with this

feature.

The

551R

also capable of decoding encoded analogue or digital stereo

sources

Dolby

Pro

Logic®

or llx

and

DTS

Neo

:6, for a convincing and

effective surround experience from a matrix encoded stereo source.

Sophisticated post-processing

5.1 digital material

also possible with

PLIIx

DTS

Neo

:6 to turn these formats into 7.1.

Conventional analogue stereo inputs allow the connection

audiophile

players and the like, and

Analogue Stereo Direct mode with

processing

ensures the

very

best possible stereo reproduction for these.

The

551R also carries a 5.

7.1 channel analogue input. This feature allows

for the connection of a

DVD-Audio

SACD

playe

r equipped with a 5.1 output

and is compatible with any future external 7.1 audio formats.

well as the full complement

audio inputs. the 551R performs

Composite,

S-Video,

Component Video and

HDMI

switching with transcoding

and scaling (up-converting) of all analogue video to

HDMI.

RS232 port and

Emitter

also make it easy to integrate the 551R into

a Custom Install situation.

All

this proprietary engineering is housed within our low resonance,

acoustically damped chassis.

Azur

Navigator remote control

also

provided, giving full remote control of your

receiver

attractive and

easy

to use handset.

Remember your 551R can only

good

as the system it

connected to.

Please

not compromise on your source equipment, speaker package or

video and audio cabling. Naturally

particularly recommend our Blu-ray

players, digital and analogue

iPod

docks, Network and

players from the

Cambridge Audio

Azur

range, which

have

been designed to the same

exacting standards as our receivers.

Your

dealer can also supply excellent

quality Cambridge Audio interconnects to ensure your system realises its full

potential.

Thanks for taking the time to read this manual,

recommend

you

keep

it for future reference.

Matthew Bramble

Cambridge Audio Technical Director

and the 551R design team

azur

551R

Before connecting

The

process

setting up the 551R is firstto make all the connections to your

speakers and source equipment and then set the unit up

via

its

-Screen

Display

(OSD)

as there are various settings and adjustments that need to

made before the 551R can

used.

However before

you

actually decide which connections to make or perform

any adjustments

is strongly advised

that

you

read through the '551R

setup' section

this manual first, starting

page

A lot of explanation is included that will help

you

to choose the right

connection types for both your sources and

Cambridge

Audio

Important safety instructions

For your own safety please read the following important safety instructions

carefully before attempting to connect this unit to the mains

powe.r

supply.

They

will also enable

you

to get the best performance from and prolong the

life

the unit:

Read

these instructions.

Keep

these instructions.

Heed

all warnings.

4. Follow all instructions.

not use this apparatus near water.

Clean

only with a dry cloth.

not block any ventilation openings. Install

accordance with the

manufacturer's instructions.

not install near any heat sources such as radiators, heat registers,

stoves, or other apparatus (including amplifiers) that produce heat.

notdefeatthesafety purpose

thepolarized or grounding-type plug.

A polarized plug has two blades with one wider than the other. A

grounding-type plug has two blades and a third grounding prong.

The

wide blade

the third prong are provided foryour safety. Ifthe provided

plug does not

fit

into your outlet, consult an electrician for replacement

ofthe obsolete outlet.

10. Protect the power cord from being walked on or pinched, particularly

plugs, convenience receptacles and the point where they exit from the

apparatus.

11.

Only

use attachments/accessories specified

the manufacturer.

12.

e with only the cart, stand, tripod, bracket, or table •

specified

the manufacturer,

sold with the appar

us.

When a cart is used, use caution when moving the

cart;

apparatus combination

avoid injury from tip-over.

13. Unplug this apparatus during lightning storms

when unused for long

periods

time.

14.

Refer

all servicing to qualified service personnel. Servicing is required

when the apparatus has been damaged in any

way

, such as the power-

supply cord or plug having been damaged, liquid has been spilled

objec

have fallen intothe apparatus, the apparatus has been exposed

to rain or moisture, does not operate normally, or has been dropped.

WARNING

reduce the risk

fire or electric shock,

not expose this unit to rain

or moisture.

-Batteries'(battery pack or batteries installed) shall not be exposed

excessive heat such as sunshine, fire

the like.

The unit must be installed

a manner

that

makes disconnection

the

mains plug from the mains socket outlet (or appliance connector from the

rear of the unit) possible. Where the mains plug is used as the disconnect

device, the disconnect device shall remain readily operable.

Only

use the

mains cord supplied with this unit.

Please ensure there is ample ventilation (at least 10cm clearance all round).

not putany objects

top

this unit.

not situate

on a rug

other

soft

surface and do not obstruct any air inlets or outlet grilles.

not cover

the ventilation grilles with items such as newspapers, tablecloths, curtains,

etc.

This unit must not be used near water

exposed

dripping or splashing

water

other liquids. No objects filled with liquid, such as vases, shall be

placed on the unit.

The lightning flash with the arrowhead symbol within an equilateral triangle

is intended to alert the user

the presence

un-insulated 'dangerous

voltage' within the product's enclosure

that

may

sufficient magnitude

to constitute a risk

electric shock

persons.

The exclamation point within an equilateral triangle is intended to alert the

user

the presence

important operatingand maintenance instructions in

the service literature relevant

this appliance.

The

symbol on this product indicates

that

is of

CLASS

(double

insulated) construction.

WEEE

symbol

The

crossed-out wheeled bin is the European Union symbol for

indicating separate collection for electrical and electronic

-equipment. This product contains electrical and electronic

equipment which should

reused, recycled or recovered and

should not

disposed

with unsorted regular waste.

Plea

return the unit or contact the authorised dealer from whom

you

purchased

this product for more information.

mark

CE:

is product complies wi

European

Low

Voltage (2006/95/EC),

Electromagnetic Compatibility

(2004

108

EC)

and

Environmentally-friendly design

Ene

-related Products

(200

9/ 125/EC)

Directives when used and installed according

this instruction manual. For

continued compliance only Cambridge Audio accessories should

used

with this product a

servicing must be referred

qualified service

personnel.

C-lick

mark

This product meets the Australian Communications Authority's

Radio communications and

EMC

requirements.

Gost-R

Mark

is product meets Russian electronic

fety approvals.

FCC

regulations

NOTE

THE

MANUFACTURER

NOT

RESPONSIBLE

FOR

ANY

RADIO

INTERFERENCE

CAUSED

UNAUTHORIZED

MODIFICATIONS

THIS

EQUIPMENT.

SUCH

MODIFICATIONS

COULD

VOID

THE

USER

AUTHORITY

OPERATE

THE

EQUIPMENT.

This equipment has been tested and found to comply with the

lim

s for a Class B digital device, pursuant to P

art

15 of the

FCC

Rules.

These limits are designed to provide reasonable protection

against

rmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and,

not installed

and used in accordance with

the

instructions, may cause harmful

interference to radio communications.

However,

there is no guarantee

that

interference will not occur in a particular installation.

If this equipment does cause

rmful

int

erence to radio

tele

sion

ion,which can be determined

turningthe equipme

off

and on, the

user is encouraged to try to correct the interference by one or more of the

following measures:

-o

rient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from

that

which the

iver is connected.

-Consult the dealer or an experienced radio/

technician for help.

Ventilation

IMPORTANT

The

unit will become hot when

use.

not stack multiple units

on top

each other.

not place

an enclosed area such as a bookcase or

cabinet without sufficient ventilation.

Ensure thatsmall objects do not fall through any ventilation grille. If this happens.

switch

off

immediately,disconnect from the mains supply and contact your dealer

for advice.

Positioning

Choose the installation location carefully. Avoid placing

in direct sunlight

close to a source

heat. No naked flame sources. such as lighted candles,

should be placed on the unit. Also avoid locations subject to vibration and

excessive

dust

, cold

moisture. The unit can be used

a moderate climate.

This

unit

must

be installed on a sturdy, level surface.

not place

a sealed

area such as a bookcase

in a cabinet.

Any

space open

the back (such

as a dedicated equipment rack) is fine, however. Do not place the

unit

on an

unstable surface or shelf. The unit may fall, causing serious injury

a child

adult

as well as serious damage to the product. Do

not

place other

equipment on

top

the

unit.

Due to stray magnetic fields, turntables

CRT

TVs

should

not

be located

nearby due to possible interference.

Electronic audio components have a running

period

around a week (if

used several hours per day). This will allow the new components to settle

down and the sonic properties will improve over

this

time

Power sources

The

unit

should be operated only from the type

power source indicated on

the marking label.

you are not sure

the type

power-supply to your

home. consult your product dealer

local power company.

This

unit

has been designed

be left

Standby mode when not in use as

this

will increase

the

life

the

unit

(this is true with all eleCtronic equipment).

turn the

unit

off

, switch

off

the rear panel.

you

not

intend to use

this

unit for a long period

time

. unplug

from

the

mains socket.

Overloading

not overload wall outlets

extension cords as this can result

a risk

fire or electric shock. Overloaded

outlets, extension cords, frayed power

cords, damaged

cracked wire insulation and broken plugs are dangerous.

They may result

a shock or fire hazard.

sure to

insert

each power cord securely.

prevent hum and noise, do not

bundle

the

interconnect leads with the power cord

speaker leads.

Cleaning

clean the unit, wipe its case with a dry, lint-free cloth.

not use any

cleaning fluids containing alcohol, ammonia or abrasives.

not spray an

aerosol

or near the unit.

Battery disposal

Batteries may contain substances harmful

the environment. Please

dispose

any

discharged

batteries

with

due

consideration

and

accordance with local environmental/electronic recycling guidelines.

Loudspeakers

Before making any connections

loudspeakers, make sure all power is

turned

off

and only use suitable interconnects.

Servicing

These units are not user serviceable. Never

attempt

to repair, disassemble

reconstruct

the

unit

there seems

be a problem. A serious electric shock

could result

this

precautionary measure is ignored.

the

event

problem

failure, please contact your dealer.

IMPORTANT

If the unit is run

a very high level, a sensor will detect a temperature rise and

show

"PROTECTION

OVERLOAD"

on the display.The unitwill then go intoStandby

mode. It cannot be switched on again until the temperature has fallen to a more

normal level.

azur

551R

Limited warranty

Cambridge Audio warrants

this

product to be free from defects in materials

and workmanship (subject

the terms

set

forth below). Cambridge Audio will

repair

replace (at Cambridge Audio's option) this product

any defective

parts

this product. Warranty periods may vary from country

country.

doubt

consult your dealer and ensure

that

you retain proof

purchase.

obtain warranty service, please contact the Cambridge Audio authorised

dealer from which you purchased this product.

your dealer is

not

equipped

to perform the repair

your Cambridge Audio product,

can be returned

your dealer to Cambridge Audio

an authorised Cambridge Audio service

agent.

You

will need

ship

this

product

either its original packaging or

packaging affording an equal degree

protection.

Proof

purchase in

the

form

a bill

sale

receipted invoice, which is

evidence

that

this

product is within the warranty period,

must

be presented

to obtain warranty service.

This Warranty is invalid

(a) the factory-applied serial

number

has been

altered

removed from

this

product

(b)

this

product was not purchased

from a Cambridge Audio authorised dealer.

You

may call Cambridge Audio

your local country Cambridge' Audio distributor to confirm

that

you have an

unaltered serial

number

and/or

you

purchased from a Cambridge Audio

authorised dealer.

This Warranty does not cover cosmetic damage

damage due to acts

God

, accident, misuse, abuse, negligence, commercial use,

modification

to any

part

the

product. This Warranty does not cover damage due

to improper operation, maintenance

installation,

attempted repair

anyone other than Cambridge Audio

a Cambridge Audio dealer, or

authorised serviceagent which is authorised to do Cambridge Audio warranty

work.

Any

unauthorised repairs will void

this

Warranty. This Warranty does not

cover products sold

WITH

ALL

FAULTS

REPAIRS

REPLACEMENTS

PROVIDED

UNDER

THIS

WARRANTY

ARE

THE

EXCLUSIVE

REMEDY

THE

CONSUMER.

CAMBRIDGE

AUDIO

SHALL

NOT

LIABLE

FOR

ANY

INCIDENTAL

CONSEQUENTIAL

DAMAGES

FOR

BREACH

ANY

EXPRESS

IMPLIED

WARRANTY

THIS

PRODUCT

EXCEPT

THE

EXTENT

PROHIBITED

LAW

THIS

WARRANTY

EXCLUSIVE

AND

LIEU

ALL

OTHER

EXPRESS

AND IMPLIED WARRANTIES

WHATSOEVER

INCLUDING,

BUT

NOT

LIMITED

THE

WARRANTY

MERCHANTABILITY

AND

FITNESS

FOR

PRACTICAL

PURPOSE

Some countries and

states do not allow

the

exclusion

limitation

incidental or consequential damages or implied warranties so the above

exclusions may not apply

you. This Warranty gives

you

specific legal rights,

and you may have other statutory rights, which vary from state

state or

country to country.

For any service

•.in

out

warranty, please contact your dealer.

Plug Fitting Instructions

(UK

Only)

The

cord

supplied with this appliance

factory fitted with a

mains plug fitted

with a 5 amp fuse inside. If it

necessary to change the fuse. it

important that

a 5 amp one

used. If the plug needs to

changed because it

not suitable for

your socket. or becomes damaged. it should

cut

off

and

appropriate plug

fitted following the wiring instructions

below.

The

plug must then

disposed of

safely,

insertion into a mains socket

likely to cause

electrical hazard.

Should it

necessary to fit a 3-pin

mains plug to the power

cord

the wires

should

fitted

shown

this diagram.

The

colours of the wires

the mains

lead of this appliance

may

not correspond with the coloured markings identifying

the terminals

your plug. Connect them

follows:

The

wire which is coloured

BLUE

must

connected to the terminal which

marked

with the letter '

or coloured

BLACK.

The

wire which is coloured

BROWN

must

BLUE

--r-;-

--~I.

Lii""•

connected to the terminal which

marked N

with the letter

'L.:

or coloured

RED

The

wire which is coloured

GREEN

YELLOW

must

connected to the terminal which

marked with the letter

' or coloured

GREEN.

If your model does not

have

earth

wire,

then disregard this instruction.

Ifa standard

amp

(BS

1363) plug

used,

a 5 amp fuse must

fitted, or

any

other type ofplug

used a 5 amp fuse must

fitted, either

the plug or adaptor,

the distribution board.

Cambridge

Audio

Front panel controls

Cambridge

Audio

!IJOOUIY

·--

=-=

BD/DVO

Vi<le03/MP3

Tuner

I'M/AM Tape/MO/CDR COj,l,uxjTV

Rogllt

Standby

/On

Mode/Store

-luM'If;

.----Digitall

l'ro(assed

Mooes--.

(j)

@ ® 0 0

lnp..,tl)'I)C

Standby/On

Switches the unitbetween Standby mode (indicated

a dim power

LED)

and

(indicated

a bright power

LED)

. Standby is

eco-friendly <1W low

power mode.

The

unit

may

left

Standby mode when not

use.

®Phones

Allows for the connection of stereo headphones with a 6.35mm/'!4'' Jack

plug. Headphones with an impedance of between

and

600

ohms are

recommended.

Note: Plugging

headphones will automatically mute the main and pre-amp

outputs and select a 2-channel stereo down-mix to

created

f~r

headphone

use.

Tuning+/-

used to tune

frequencies and skip presets for the built-

Tuner.

0 Mode/Store

Press to cycle between Tuner modes. Press and hold forstoring presets (refer

to the 'Operating Instructions' of this manual for more information).

®Display

Displays the status

the unit.

@ BD/DVD

Press to select the source equipment connected to the

DVD

input.

0 Video 1

Press to select the source equipment connected to the Video 1 input.

®Video

Press to select the source equipment connected to the Video 2 input.

Video

3/MP3

Press to select the source equipment connected to the Video 3 or MP3 input

(if a device

plugged into its 3.5mm mini-jack input).

Note:

The

L audio input

also used for the supplied auto setup microphone.

Refer to the 'Auto setup' section

this manual for more information.

Tuner

FM/

Press to select the tuner.

Once

Tuner mode press to switch between

and

modes.

@ Tape/MD/CDR

Press to select the source equipment connected to the

Tape

CDR

input.

CD/AuxjTV

Press to select the source equipment connected to the

Aux

input.

With

ARC

enabled

(see

later section), press again to select Audio Return

Channel from a suitable

TV.

@ 7.1

Direct

Press to select a 7.1 or 5.1 source

(DVD

-A or

SACD

player etc) connected to

the 7.1 Direct

sockets.

.,,_

-·

•

@ (@@@)-@

.,,

Vi001.>3/MPJ

Input~

Note:

The

551R

remembers the audio

and

video input type

and

processing

mode foreach individual source input. These are recalled each time

source

selected.

Audio input type

Press

this button to select between analogue, digital (opticaljcoaxial) or

HDMI

inputtypes as the source of the audio for the currently selected source input.

The

choices available depend

the inputs that

have

been

assigned to that

source, see later section.

@ Stereo modes

Press

to listen to a source

either digitally processed stereo or stereo and

sub modes.

@ Surround modes

Press

to select Dolby Digital or

DTS

surround modes (with suitably encoded

digital source material), or various

Pro

Logic lljllx,

DTS

Neo

:6 modes for

matrix encoded analogue or digital material.

@ Picture Adjustment

Press

to select various picture adjustments for sources

that

have the Scaler

set to Process only (see 'Source setup' section

the manual).

adjustment bar will appear

the

for the current item (Brightness,

Contrast etc.) Press the

Pic.

Adj

. button again to move to the next item.

This button is also used to change the scaler output resolution. Press and

hold the button for

seconds and the current output resolution will appear

the 551Rs front panel display. Keep holding the button down and the

551R will change to the next available resolution and show

the front

panel display.

See

lqter section.

@Mute/Info

Press to mute the sound from the main and pre-amp outputs

the 551R.

Press again to cancel mute.

Note: Selecting a new source always cancels mute.

Press and hold to re-display the current decoding mode.

Analogue Stereo Direct

Press

to listen directly to the analogue inputs for the current source directly with

analogue to digital conversion or

DSP

processing for highest possible stereo

sound quality.

@Volume

Use

increase

decrease

the

level

ofthe

sound

from

the outputs ofthe

551R.

Infrared sensor

Receives

commands from the supplied remote control. A clear,

unobstructed line of sight between the remote control and the sensor

required.

@ Video 3 Input

For

occasional

use

with camcorders or games consoles etc.

MP31nput

This input can

used with the line or headphone outputs

portable music

players.

Rear panel connections

CD&®

FM/AM antennas

All

tuner antenna connections are made here. Refer to the 'Antenna

Connections' secti

of this manual for more information.

®Emitter

Allows modulated

commands from multi-room systems or

repeater

systems to

received

the 551R.

Service/Normal

For

dealer use

only-

Switches the 551R between normal (default) mode and

two Service modes.

not change the mode to service or

make

RS232

connections to

in servi

mode as damage may result!

® Composite and 5-Video inputs

These may be freely assigned

any source, see later section.

RS232C

Used

for control

the

Custom Install situations. A full protocol

available for the 551R on our website.

Analogue Audio inputs

For

use with the line level outputs

players,

DVD

players etc.

TapejMD/CDR

/ Out

For

use with suitable recording devices.

The

output allows recording

the

currently selected analogue source.

® Digital Inputs

S/P

DIF

or Toslink digital inputs for each source.

You

can

choose to use a different type for each source but do not connect

both

the same time for the same source.

Digital Outputs

S/ P

DIF

and Toslink digital outputs for recording .

The

outputs allow recording

the

currently selected digital source.

These are concurrent and both can

connected at the same time.

@ 7.1 Preamp Out

Connect to the

5.1/7

.1 channel input terminals of another amplifier system,

separate power amps, subwoofer or active loudspeakers.

7.1 Direct

Connect to the output terminals

DVD-A

SACD

player or other 5.1/7.1

analogue source.

Heat tunnel vent grille

Allows cooling of internal circuitry via the 551R's proprietary

X-TRACT

heat

tunnel.

NOT

OBSTRUCT!

TV/M

j@@

j~~

@&@HDMI

azur

551R

Inputs and outputto a suitable

/Monitor.

The

HDMI

inputs can

assigned

in the

OSD

Defaultthe

HDMI

inputs are assigned to BD/DVD, Video 1 and

Video 2, with the 4th input unassigned.

These inputs can

freely assigned, see later section on assigning video

inputs.

All

video inputs whether analogue or

HDMI

are transcoded and outputvia the

HDMI

output.

Component Video inputs

default the component inputs are unassigned, these inputs can

freely

assigned, see later section

assigning video inputs.

Note:

The

preferred connection method for video inputs

always Composite

Video, then S-Video, then Component Video, then

HDMI

in ascending order

quality

(HDMI

being the highest quality).

HDMI

and Component Video

sources often also support Progressive Scan which gives better picture

quality

supported

both your

DVD

player and

@. Speaker terminals

Connect to loudspeakers with an impedance of between 4-8 ohms.

7.1,

5.1

or less connections

can

made.

Power On/Off

Switches the unit on and off.

Mains power lead

Once

you

have completed all connections, plug the

power lead into an

appropriate mains socket.

The

receiver is now ready for use.

Cambridge

Audio

Remote control

The

551R

supplied with an

Azur

Navigator remote control.

Insert the supplied

AAA

batteries to use.

For

full details

the

various adjustment functions available from the remote, refer

to the later sections

this manual.

@ Standby/On

Switches the unit between Standby mode and

@ Analogue Direct

Directly selects a stereo analogue inputfor the current source

with

A/D conversion or

DSP

processing.

@ Stereo Modes

Selects Stereo or Stereo

Sub modes for Analogue or Digital

sources (digitally processed).

Surround Modes

Selects digital surround processing modes and various matrix

encoded surround processing modes for analogue or digital

sources (digitally processed).

81nfo

Press

view

the current source material and decoding mode.

Press again whilst the current decoding mode

scrolling

(as

long as mute

not on) to display the incoming sample rate.

When

listening to

with

RDS,

press to cycle round various

RDS

information modes.

(§)

Stereo Mono

When

listening to

FM,

press to alternate between stereo

and

mono modes.

Store

Press

to store the current frequency when

Tuner mode.

Mode

Press

to select Auto/Manual or Preset tuning when

Tuner

mode.

®Mute

Mutes the audio

the

Receiver.

Press

again to cancel

mute.

G8volume

Increase or decrease the volume

the

receiver output.

Also

used

up/down

the

OSD

setup menus.

Tune

Left

Right

Press the right arrow to increase tuner frequency/change

preset. Press the

left

arrow to decrease tuner

frequency/change preset. Also used to scroll lefVright

the

OSD

setup menus.

Enter

Used

the

OSD

setup menus.

® On-Screen Display

(OSD)

Press to turn

and off the on-screen setup menus for

display

your monitor/screen.

@ Bass/Treble

Press for bass/treble adjustment, using the Volume up/down

buttons. Note: Bass/Treble is bypassed

analogue stereo

direct and

7.1

direct modes. ·

@ Audio

Type

Switches the audio between the types available for the

current source. Depending

the source selected

and

whether

you

have

assigned

HDMI

input to it, Analogue,

Digital

and

HDMI

c.an

available.

@ 7.1 Direct

Selects the 5.1/

7.1

direct input.

@88

G ®

@ @

8 8

@ @

""'

® Picture Adjustment

Press

to select various picture adjustments for sources

that

have the Scaler set to Process only.

adjustment bar will appear

the

for the current item

(Brightness, Contracts etc.) Press the

Pic

Adj.

button again to

move

to the next item.

@Lip

sync

Press

to activate and adjust the lip sync delay function

the

audio and video appear out

sync.

While the

Lip

sync delay

status

shown

the units display,

use

the

Vol

....

and

Vol

....

buttons to adjust the delay time. Adjusting the value to zero

causes lip sync delay to

turned off.

See

later section

this

manual.

Tuner AM/FM, BD/DVD, Video

Video

Vid

3/MP3,

TapejMD/CDR, CD/AuxjTV

Press

the corresponding button to change the input source.

Pressing the Tuner

button a second time toggles

between

and

modes.

Pressingthe

Aux

button asecond time if

ARC

enable

(see

later section) selects

TV-ARC

(Audio Return Channel

The

above button descriptions are naturally brief. Please

refer to the 'Operating Instructions' section of this manual for

more information

the relevant functions implemented.

Apple device compatibility

The

Azur

551R Navigator remote control can control the basic

functions

Apple devices such

Apple

and Apple's

iPod

/iPhone/iPad range when docked

a Cambridge Audio

or Apple dock.

Press

and hold the source button

that

corresponds to the

input that the Apple product is connected to whilst also

pressing one

the buttons below.

The

functions are slightly different depending

the

Appl

product.

Enter

~@Menu

Play/Pause

Used

control volume

and/or

navigate

menus

Used

navigate

menus

or Skip/Scan depending

on Apple product used.

In addition,

the

Azur remote can be paired with up

six

specific Apple devices using any

the

six source buttons.

This can be useful

you have morethan one Apple product.

For

information

pairing

refer

your

Apple

device's instruction

manual.

Pairing -

pair with an Apple device, press and hold

the

required

source

button

along

with

the

button

for

six

seconds. Some devices like Apple

have visual indication

once pairing is achieved.

Un-pairing-

un-pair an Apple device, press and hold any

the

source

buttons

along

with

the

button

for

six

seconds.

Front panel display

@Mode

icons

Direct indicator

Lights when the 551R

a Direct mode -Analogue Stereo Direct or 7.1

Direct.

HOM

Indicates the current source audio input type is

HDMI.

Multi

Indicates the 551R is receiving multi-channel

PCM

over HDMI.

Digital/Analogue indicators

Indicates whether the current source audio input type

Digital (S/P

DIF/Toslink) or Analogue.

® Decoding mode indicators

(PCM,

Dolby Digital,

DTS

etc)

Shows the current decoding mode, Dolby Digital,

DTS

etc.

conjunction with

theOutput Channel indicatorsthese give full details ofthe current processing

mode.

® Video input icons

Indicates the current video input type as Video (composite),

S-Video

YUV

(Component) or HDMI.

0 Main information display

Shows the current source selected, also the surround mode and station

name/frequency when

tuner mode etc.

® Output channel indicators

Shows the currently active channels depending

decoding mode and

source material. Icons lit indicate active channels

the source material.

Icons with a

box

around them indicate actual channels being output

the

551R.

Display examples

Indicates a 5.1

Dolby

Digital source being played back as 5.0 (Sub off).

The

lit

LFE

indicates a low frequency effects channel is present

the source

material.

When

this icon isn't

boxed

it indicates the

LFE

channel

not being

sent to a subwoofer but will

mixed into the front left and right instead.

Indicates a

7.1

playback

DTS

material.

Indicates a 2.1 output created

the digital domain from analogue input

material.

azur

551R

Loudspeaker connections

avoid damaging the speakers with a sudden high-level signal,

sure to

switch the power

off

before connecting the speakers. Check the impedance

your speakers. Speakers with

impedance of between 4 and 8 ohms

(each) are recommended.

The

coloured speaker terminals are positive (+) and the black speaker

terminals are negative

(-)

. Make sure correct polarity

maintained

each

speaker connector or the sound

can

become weak and "phasey" with little

bass.

Prepare the speaker cords for connection

stripping off approximately

10mm

(3/8

") or less (no more than 10mm,

this could cause a short-

circuit) of the outer insulation. Twist the wire tightly together so there are no

loose ends. Unscrew the speaker terminal knob, insert the speaker cable,

tighten the knob and secure the cable.

Note:

All

connections are made

via

loudspeaker cable, except

usihg

active subwoofer which would

connected via a standard

RCA

phono cable.

Banana Plugs (4mm standard) connected to the speaker cable are

recommended for direct insertion into the speaker terminals.

Please refer to the 'Speaker Configuration' section of this manual for more

information

5.1 and 7.1 speaker setups.

Powered

subwoofer

·[Qt.~

[!_

::j ::::

Surround

speakers

Front

speakers

Centre

speaker

Surround

back

speakers

Cambridge

Audio

Analogue audio connections

Note:

not plug in the mains power lead

turn the unit

until all

connections have been made.

Connect to source equipme

using stereo phono cables (stereo

2RCA·

2RCA).

Tape/MD/

CDR

recorder/players require two se

stereo

phono/RCA cables, one for recording, one for listening.

player

Out

• • •

Examples

Out

DVD

player

@ @

~~O

~c===::::J~

;;

oi;lo

• • • • • •

... I

Audio

player/recorder

(Tape

CD-R)

Digital audio connections

Two

types ofdigital audio connections can be made to the 551R:

1. Optical (Toslink)

ial (S/ P

DIF

)

Examples

player

0000

Audio

player/ re

cord

D-

Out

A r

eco

rding de

ce such

or C

D-

R can be

ected to the dig

outpu

as shown.

• • • • •

Either type can

used for a

urce as the 551R automatically uses the

active one.

Note:

Onl

y one connection type should be used per source.

Out

DVD

player

.- -

.:~

,·

•

·'

:,.:

• •

~"''"·

.:1

1 :''

; i !

iD100 Digital

iPod

Doc

HDMI input connections

HDMI

(High-Definition Multi-Media Interface) is

all digital connection

that

can carry both audio and video

one cable. Direct digital transfer

audio

and video and support for various types of

High

Definition video content and

high resolution audio make thisthe best connecti

type to use.The 4 HDMI

inputs can be assigned

the

DVD,

Video 1, Video 2,

AuX/TV

Tape

CDR

7.1

Direct sources (see the "Assigning HDMI sources"

section for more information).

azur

551R

DVI

switching can

supported

using

DVI

HDMI

adaptors as these two

connection types are compatible. When using

DVI

only video will

passed

to the

/Monitor and a Co-axial

/ P

DIF)

or Optical (Toslink) digital audio

connection must

made from each source to the 551R for

able

receive audio and decode surround sound etc.

HDMI

cable Examples

Blu-ray

player with

HDMI

output

0000

+·

·'

--~-

.....

tlf

!:(e

(

:'(

}

;

~;l

;

-T·:

·:·

.•

· _:

_·:

:·:.

,I·

· ·

}._

·-,,

/.,

"•

.._

...

,, __

- c

-·

•"

;_)_ ___

......

·····-··········------

----

---------

Set-top

box

with

HDMI

output

100000

000

Analogue video input connections

Three types

analogue video connections can

made

the 551R:

1. Composite- connect with single

ohm video phono cable

(RCA-RCA)

2. S-Video -connect with S-Video cable.

3. Component -connect with

ohm Component video cables

(3RCA

3RCA)

For sources

that

support HDMI this

always the best choice.

Video

player

Examples

Games

console

'-'-~"'=

-==

"=""""'

i.'""

,__,_,_,1

HDMI

cable

For

sources

that

only support analogue video for best picture quality

recommend making Component video connections, then in decliningorder

quality, S-Video connections and then Composite video connections.

The 551R

able

transcode i.e. upconvert analogue video to

HDMI

for the

main monitor/TV output.

DVD

player

Cambridge

Audio

Video output connection (HDMI)

Connection to

the

HDMI. The 551R converts incoming analogue

video to

HDMI

and scales

for best picture quality.

See

later section.

0 -

. • • • •

• •

i "_

( .

:•.•

••

-I;

•.

•••

••

. I

;

5.1/7.1

Direct in

DVD-A

SACD

players can

connected

the

551R via its 5.1/7.1 Direct

inputs allowing multi-channel music playback from these sources.

DVD-A

and

SACD

both support5.1output.The 551R's direct inputsalso allow

optional connection

Surround Back or Surround Left and Surround Right

signals for compatibility with future 7.1 sources or external decoders.

select the Direct Input press the

7.1

Direct button on the front panel or

remote.

can be desirable to connect

DVD-A/SACD

players

the 551R by two

methods

the same time.

A Digital or

HDMI

input can be made to the 551R for surround sound

decoding and an analogue 5.1 connection to 7.1 Direct for

DVD-A/SACD

playback.

HDMI

cable

the player is selected via the

DVD

button

you

can then view i

content

and decode

y relevant surround sound soundtracks.

7.1 Direct is then pressed,

e audio is now switched to come from

players ana

gue outpu

ese connections are pure analogue for best sound quality and no

DSP

processing or Bass and Treble adjustment

the 551R is possible.

DVD-A

player or

SACD

multi-ehannel player 5.1connections

.1:

...

..I

"C "C

::I

f/)

7.1

Preamp out

is desired to connect external power amplifiers, use Phono/

RCA

leads

connected to the 7.1 Preamp Outputs

the rear

P.,anel.

For 5.1/

7.1

use setthe 'Preamp Out' setting in the 'Output Setup'

OSD

to 'Pre Out' rather than 'Normal'. This mutes all the internal power amplifiers

as they are not being used.

Audi o

·In

/Ou

t Se t up Menu

PVO

CD/

...

Tap

D/C

rraa

Ou t

TV ARC

Subwoofer

IOSOJ

t•l

"'•

DMI3

<1•

<I•

Pre

Out

....

Power

amplifier/s

Phono

cables

(2RCA-2RCA)

•·

Alternatively the 551R features an

ternal 2-Channel mode. This allows the

551R to reproduce all the surround channels

suitable source material

(Centre, Surrounds and Sub) whilst the Left and Right Front speakers are

driven

an external poweramplifier

otheramplifiercapable

supporting

fixed level inputs (e.g. Cambridge Audio's own 7/ 8 series amplifiers).

Set the 'Preamp Out' to

'Ext

2 Ch' in the

OSD

to mute

the

551R's own front

leftand right amplifier outputs only:

dio

In/Out

Set

up M

enu

BD/D

Mil

""O>

....

Vi d

igi

t a

l<llll.,.

eo2

HDM

I 3 ...

I n

An a l

<IIIII.,.

/ MD

/CDR

I n

alog

.,...,.

Prea

Out

Ex t

h ...

O>I

TV ARC

nable

.,...,.

turn

[OS

azur

551R

Front input connections

The

front panel Video

3/MP3

input is for temporary connections to video

games consoles etc.

Remove

the cap to access the Video 3 inputs and

connect to a video game console or video camera's outputs using stereo

phono cables

(RCA

RCA)

and a Composite video cable. Alternatively, use the

3.5mm mini-jack MP3 socket for the headphone/line outputs

portable

MP3 players.

Composite

video cable

"':.~

;:':.

' ':

•

_____

,..

Stereo phono

cable

(RCA-RCA)

Video

games console/

Video

camera outputs

MP3

Player

When pressing

Vid

eo3/ MP3,the 551R automaticallyselects the MP3 socket

there is a device plugged into it.

Note: The Left front input is also used for the supplied auto setup

microphone. Refer

the 'Auto setup' section

this manual for more

information.

Aerial connections

FM aerial

Connect an aerial to the

ohm socket (a simple wire aerial is supplied

only fortemporary use). Extend the lead and move theaerial around until

you

getthe best reception.

For

continued use, we strongly recommended usinga

ohm outdoor

aerial.

loop aerial

Connect each end

the single length antenna to the antenna terminals.

Place the antenna as far from the main system as possible to prevent

unwanted noise and to obtain optimum reception.

the

loop aerial

provided does not

ceive sufficient reception,

may

necessaryto use

outdoor

aeria

external

aerial

external

aerial

loop

aerial

Ground

(option

Cambridge

Audio

551R

setup

The

setup

the 551R is a reasonably simple 4 stage process.

The

speaker

setup process (stage 2.) can either

performed manually or via the

CAMCAS

(Cambridge Audio Microphone Controlled

Auto

Setup) procedure.

The

procedure is as follows:

1. Speaker configuration.

2. Speaker setup (Speaker delay and Level calibration)

3. Assigning

HDMI

and Analogue video inputs

4. Source setup

Speaker configuration

First tell the unit what kind

speaker package

you

have

The

options are 5.1

or 7.1 as shown below.

The

551R can support up to a 7.1 speaker setup

which means 7 speakers (Front Left, Front Right, Centre, Surround Left,

Surround Right, Surround Back Left, Back Right) plus a mains powered

Subwoofer (the .1).

Refer to the diagrams below for typical examples

5.1 and 7.11oudspeaker

setups.

Always

adjustthe speaker and listening positions until

you

are happy

with the sound. Please refer to your loudspeaker and subwoofer manuals for

more detailed positioning information.

5.1

7.1

(!)

Front

Left

and

Right

speakers

For

stereo and multi-channel sound.

Centre

speaker

For

dialogue and centre sounds. Ideally position at a similar height to the front

left and right speakers (above or below the TV/monitor). Using a centre

speaker from the same manufacturer/range as used for the front left and

right speakers is advisable. This "timbre matching" allows surround effects to

flow more naturally from left to right without obvious transitions between the

speakers.

Surround

Left

and

Right

speakers

For

ambient and multi-channel sound. Floorstanding speakers should

angled towards the listening position. Bookshelf/standmount speakers should

wall mounted orused with dedicated speakerstands,positioned

orabove

ear height.

Subwoofer

For

improvingthe bass

your system, as well as reproducing dedicated

LFE

(Low Frequency Effects) cinema effects when playing Dolby Digital or

DTS

encoded discs.

Your

subwoofer can often

placed almost anywhere

the

room as bass is less directional,

but

experimentation with positioning is

recommended.

Surround

Back

Left

and

Right

speakers

Individual back speakers in place

a single surround back.

Used

with the

7.1 processing types. Remember to experiment with the positions until

you

are happy with the sound.

each case the 5.

1/7

fact relates to the maximum number

speakers

that

can

used, as the Centre, Sub and Surround speakers can all

deleted

required (although

course performance is reduced).

For

example,

you

choose notto use a Centre Channel speaker

you

can set this

to 'None' in the settings as shown later and the 551R will automatically

redirect the centre channel audio information into the Left and Right Front

channels, creating what is known as a 'Phantom Centre'.

Similarly,

you

mightdecide notto use a subwoofer

your main Leftand Right

speakers are capable

reproducing enough bass for a satisfying

music/movie experience.

The

551R will then automatically re-direct the bass

from the Subwoofer/Low Frequency Effect channel to the Left and Right

Front Speakers.

Note: This setup is very Important as the 551R will also automatically use

this information to select appropriate Dolby and

DTS

decoding modes

dependant not only on the source material

but

also the speaker package

knows

you

have.

tell the unit the type

package

you

have, turn on the On-Screen Display

via the remote button as shown. Highlight the 'Speaker Configuration' menu

using volume up and down

the remote then

pressing Ente

S eal<.er

Setu

dio

In/OUt

Setup

Video

Input

Setup

Scaler

Assiqn/Process

Setup

Tone/Sub/LFE

Config

Advanced

Dolby/D

Setup

Quit

[OSD)

Setthe Decode modeas 5.1or

7.1

highlightingthe Decode Mode item and

usingthe

Left

and

Right

arrows to scroll through the options:

Speaker

Con

Me nu

Decode

....

Front

L/ R Lar

...

.._

Centre

Small.,..,_

Surr.

L/ R

mall"'~~>

Surr.

B/RB

all

.,..,.

ubw

oof

Ye s

"'•

Return

[OS

Now

move

down and

highlighting each speaker

turn and using

the

Left

and

Right

arrows select from 'Large', 'Small' or 'None' for each speaker.

'Large' or 'Small' are used to describe each speaker in terms

bass

response, they do not necessarily reflect the actual physical size

the

speaker.

Large • Speakers with an extended low frequency response

approximately

20-40Hz to 16-20kHz (floorstanders or high quality larger stand-mounted

speakers).

Small • Speakers with a less extended low frequency response

approximately S0-100Hz

16-20kHz (small stand-mounted, bookshelf or

satellite speakers).

Setting each speaker allows the 551R to perform what is called Bass

Management and

direct low frequency bass from music and the

Low

Frequency Effects channel

surround sound material to those speakers

best able toreproduce it.

you

donotwish to use any

the speakers setits

settingto 'None'.

The

Subwoofer output can also be set to

Yes

No.

If no sub is being used

make sure this setting is

set

to allow

the

551R to re-direct the bass

information

this channel to other speakers.

Note:

The

551R will force some speakers to certain settings

the following

circumstances!

The

Front Left and Right speakers may

'Large' or 'Small' but never 'None'

asthey are always required for any type

music/movie reproduction.

Bass must always be reproduced

either the Front Left and Right or

Subwoofer channel (or both). Setting the Front Left and Right

'Small' will

result in the Subwoofer automatically being set to

'Yes

'. Setting the

Subwoofer to 'No' will automatically result in

the

Front Left and Right being

set

'Large'.

the Front Leftand Right cannot reproduce lowfrequency bass a Subwoofer

must

used. I.e.

the Front Leftand Right are set

'Small' the Sub must

be Setto 'Yes'.

Also, setting the Front Left and Right as 'Small' will always set the other

speakers as 'Small' (and the Sub to

'Yes

This is because

LFE

/ bass

information should

not

be redirected

the surround channels.

store the setting simply come back out

the

OSD

(pressing the

OSD

button always moves back one menu item, and then exits and stores from

the

main menu screen).

azur

551R

Speaker setup

The

following two sections can be performed

Cambridge Audio

CAMCAS

procedure so

you

can

you

wish jumpstraight

that

section. However,

recommended

that

you

doread these sectionsto understand the reasons for

these settings and their implications.

Speaker delay

Because the speakers

a surround sound system are usually different

distances from the listener the 551R incorporates the ability

apply a

variable digital delay to each

the channels so

that

the sound from each

arrives

the same time

the listening position for best surround-sound

effect.

set the delay times automatically, refer to the Auto setup section

this

manual.

set the delay times manually, simply measure the distances from the

listening position to each speaker asshown

the following diagram:

0..

·.

;:3

®\

0 ®

0®

1 •

Front

left

speaker

2 •

Front

Right speaker

3 •

Centre

speaker

4 -

Surround

left

speaker

5 •

Surround

Right speaker

6 • Surround

Back

Left

(when

used)

7 •

Surround

Back Right

(when

used)

Subwoofer

(can

placed

almost

anywhere)

Note:

delaysetting for the subwoofer is necessary.

Setthe distances in the

OSD

Speaker Distance menu to the nearestvalue in

metres (1

foot=

0.3 metres).

The

speed

sound is approx

340

metres per

second, the 551R thus introduces approx 3mS

delay permetre

distance

set.

to the 'Speaker Distance' and highlight each speaker in turn. Set the

distance to the nearest value

that

which

you

measured

usingthe

Left

and

Right

arrows (the values do not need to

exact):

Press the

OSD

button to exit the menu.

Spea

ke r

Dis

t a n

unit

ete

r s

.,...,.

Fr o nt

.....

ont

9 ......

Cen

tre

2 . 9

.....

rr.

2 . 0 ......

Surr.

2 . 0 ......

Sur

r .

.....

Surr.

......

·R.

eturn

Note:

addition

the delays as

set

above Dolby

Pro

Logic

llfllx

playback

also requires

extra

milliseconds delay

the surround channels only.

This extra delay is part

the Dolby ProLogic

specification and ensures

that

sound from thesurrounds arrives

just

aftersound from thefront reducingthe

audibility

sound leakage from thefront to the surround speakers. Because

the relationship between the Dolby Digital and Dolby ProLogic llx two delays

isfixed (15mS extra tothe surround channel

isonly necessary tosetthe

delay

measuring the distances as we have described.

The

551R will

automatically provide the appropriate extra delay whenever

you

switch to a

Pro

Logic Mode.

Cambridge

Audio

Level

calibration

The

551R allows level calibration to match the acoustic level between

different types/sizes or even manufacturers

speaker that

may

being

used for each channel.This is achieved

adjustingthe relative level

each

speaker. This can

done manually through the 'Level Calibration' menu

the

OSD

orautomatically, see the following Auto setup section

this manual.

The

basic process for manual adjustment is to listen to or measure with a

Sound Pressure

Level

(SPL)

meter (more accurate and recommended but not

essential) the level

sound produced

each speaker and set relative levels

for each speaker so

that

they all sound the same loudness

the normal

listening position.

The

551R incorporates a Test Signal Generator (broad-

band white noise) to facilitate this.

Press the

OSO

button on the remote control then select the 'Level

Calibration' menu.

Now

turn

the test signal

highlighting this item and

pressing the Left or Right arrows:

Level

Calibration

Test

Signal

••l

Front

L o

cts

••

Front

R o

cts

••

Surround

L 0

....

Surround

R o

cts

••

Centre

cts

••

Subwoofer

cts

••

Surr

. LB o

cts

••

Surr

. RB o

cts

••

Return

: [OSD]

You

can now move up and down the channels using Volume Up/Down

the

remote.

Each

time a new channel is selected the test signal will

heard to

move to that channel. Compare the loudness

all channels as heard

the

listening position.

A "rushing" or "hissy" sound should

heard.

D D

Now

adjust the channels so they all sound the same (in terms

loudness

only, channels

different frequency responses can sound different

terms

the "tone"

the sound i.e. more or less hissy).

Pick the channel

that

sounds most different and select

to listen to the test

signal.

Now

adjust the relative level

dB (using

Arrow

left/right on the

remote) and continue comparing

to other channels until

equal

loudness.

The

level can

adjusted up to +

or-

10dB

1dB steps. Repeat

the process with the next most different channel. Once all channels sound

the same in terms

loudness, press the

OSO

button again to save the

settings and exit the menu.

Auto speaker setup for Distance/Level

The

551R includes our simple automatic speaker setup system called

'CAMCAS'

(Cambridge Audio Mic Controlled Auto Setup).

The

system performs

two sets

tests firstly checking which speakers are connected and whether

they are wired correctly and in phase then second automatically measuring

and adjusting the speaker delay timings (i.e. distance

setting)

and levels.

Before activating this feature the 'Decode Mode' (i.e. type

speaker

package e.g. 5.1, 7.1)

the 551R and Large/Small/None status

each

speaker must

set correctly as per section 1. This is important as the unit

will only look for and check the speakers

you

have told

you

have.

•

perform

Auto

Distance/Level setup first connect the supplied microphone

to the front Leftfront panel audio input

the front panel and place

your

normal listening position

the room.

Press the

OSD

button

the remote control to access the

OSD

and then

select the Speaker Setup Menu.

Now

select the option 'Auto Setup'. This will

access the 'Auto Setup Menu' as below.

Speaker

Setup

Auto

Setu

Speaker

Configuration

Speaker

Distance

Level

Calibration

Speaker

Crossover

Return

[OSD]

Follow the

-screen instructions and press 'Enter'

the remote control

when ready to start the

Auto

Setup function.

Auto

Setup

Plug

the

microphone

into

the

·left

channel

Video

the

front

panel

and

place

the

microphone

normal

listening

position

and

height

Continue

{ENTER]

Once activated the

OSD

will display the message below and the

word

'AUTOSETUP'

will also

displayed

the front panel

the 551R to confirm.

Auto

Setup

The

unit

now

checking

which

speakers

are

connected

and

their

phase

Please

wait

. , .

...

. .

A series

test signals will now

output from all

the connected speaker

terminals

the 551R (including the Subwoofer output).

Once finished the unit will display a screen similarto the one below reporting

which speakers were found and any

that

appear out

phase.

Setup

The

speakers

that

have

been

found

are

L C R SL SR

All

s p

eakers

are

phas

Continue

: [ENTER!

any

speakers appear unconnected or out

phase carefully check the

connections on the speaker and the back

the unit. Also check

any

bi-wiring

links that might

present on the speaker.

For

any out

phase speakers

check

that

the relevant+ terminal

the 551R goes to the +terminal

that

speaker and similarly the

-terminal

the 551R goes tothe

-terminal

the

speaker for

that

channel.

necessary press

the

OSD

button to perform a retest or press Enter

art

the second part

the

autosetup procedure as below.

Auto

tup

Men

The

nit

now

measuring

Distar

ar1d

eve

ttings

for

your

speakers

Please

wait

. .

Again a series

test signals will now be output from all

the connected

speaker terminals and Subwoofer.

The

551R uses these to measure

levels and distances (and hence introduce

e correct delays) appropriate

your speakers and room characteristics.

When

the

auto se

tup

e 551R is completed successfull

the

551R

return to

e Speaker Setup Menu.

Spe

Setu

p M

enu

Au t o

Setu

Speake

Con

guration

eake

Dis

ance

vel

Calibra

t i

Speaker

Crosso

ver

Return

: [

OSD]

The Speaker Distance and

Level

Calibration settings for each speaker will

have been updated.

Itis

course now possible

go into

the

Speaker De

lay

and

vel Calibration

menus

you

want

manually check/adjust

the

settings made

CAMCAS

tem, and it is al

ys advisable to check

em as no system

tot

ally foolproof.

the auto se

tup

menu of

1R continue to press the

OSD

button

e remote control to exit all menus or until '

OSD

'is no longer displ

aye

e fro

panel.

You

n now unplug

the

microphone and

t it away for

future use.

Note:

the auto setup

the 551R is unsuccessful for some reason a

'Fa

il'

message will appear on

OSD.

Included in this message will

details of

the speaker channel orcha

els which ha

beensuccessfully adjusted.

this is

se, please again check

e speak

or speakers detailed

in the O

as 'faile

are co

ected correc

have n

been wired out of

phase.

Als

o check

the

microphone connection and a

her exte

al issu

that

uld have a

ected

the

tes

such as noise in the room et

Note: Like all such systems C

S has some limitations. Speakers that

exhibit very strong phase angles or delib

ately wire some drive units

out

phase can

course app

r to the system as an out of phase speaker when

corr

tly connected. If a speaker is reported as o

ase but is correctly

wired

ease consult

e speakers manufac

tur

er in case this is

e case.

Simila

-polar speakers which radiate in more than one direction

make

lt to measure the distan

and som

imes level accu

tely as

you mi

pect.

all cases it is always advisa

manually check the settin

has

made for a

eality check' to ensure

ere are no obvious errors.

azur

551R

Assigning Video inputs

The

551R has 4

HDMI

(High Definition Multi-Media Interface) inputs and one

HDMI

output.

HDMI

is a fully digital audio/video system for picture and audio

in digital format for be

possible picture quality.

DVI

(Digital Video Interface)

a subset

HDMI

that

uses different connectors and only supports digital

video (no audio

The 551R is compatible

DVI

that

simple passive

DVI-

HDMI

adaptors are available which allow

the

conversion

the

DVI

connector

to an HDMI format connector (and back again

required) for routing via

the

551R.

HDMI

outputs on Blu-ray,

DVD

players and Set-top boxes also often support

higher resolution formats includingprogressive s9an types. Consultboth your

HDMI

source and

.nual

s for details, it is

oft

en possible

select from

ous options, you will wa

to select

e highe

quality output

that

both

your source and

are compatible wit

From

Blu-ray players,

HDMI

can also carry the latest Dolby Digital Plus and

True-HD

formats as well as

DTS-HD

High Resolution and Master

Aud

Ensure

that

the HDMI output

you

er has been set to 'Bitstream' or

'Raw' to pass the formats to the 551R fordecoding.

Also

some Blu-ray players feature settings to allow down conversion

Dolby

al Plus etc.

backwards compatible Dolby

gital 5.1 for older

receivers which do not supp

ort

ese formats.

Ensure any such settings are disabled

allow

our

551R access

all

the

latest formats.

For

all

the

above reasons

HDMI

is the preferred connection method for both

Audio and Video.

1R c

however also accept Composite, S-

Vid

eo and Compone

video for sou

es without HDMI outputs and automa

cally

anscode and

scale this video to

the

HDMI output.

Sel

ect

the Video InputAssignme

Menu.

For

each source the currently selected video input type will be shown.

It is possible to assign any

the

video input sockets to each Source in turn.

The

Options are Composite 1 and 2,

S-Vid

eo 1 and 2, Component 1 and 2,

HDMI1 -4.

Video

put

gnment

BD/OVD

HDMI

1 ...... ,

Video

pos

e 1 .,..,..

Vide

o 2

HDM

I 3 ......

CD/Au

---

- - ......

pe/

MJJ

-----

-4

...

l Di r

ect

---

.,..,.

Return

[OSD]

Note: Assigning a HDMI input

a source automatically also selects Scaler

Bypassingfor that source.

You

can process these sources

you wish simply by setting

the

Scaler

Process in theScaler Assign Processing menu afterwards.

Cambridge

Audio

Source setup

The

next step

to select each source input in turn on the 551R and tell the

unit:

•

The

type

audio connection

you

want to use for that source (Analogue,

Digital or

HDMI)

•

The

processing mode for

that

source.

The 551R remembers these settings individually for every source Input and

automatically recalls

them

as and when you change source Input.

Audio connection type

Select the 'Audio In/Out Setup' menu. Highlight each source

turn and

select either analogue, digital or

HDMI

input types (use the

Left

and Right

arrows):

IBD/DVD

Video

CD/Al.JX

Tape/MD/CDR

Preamp

Out

ARC

Audio

In/Out

Setup

Return

[OSD}

HDMI

...

gital

••

HDMI 3 .......

alog

-4..,.

Anal

...

.,..

Normal

••

Enable

......

The

options shown will

Analogue, Digital and

HDMI

that

source has been

assigned an

HDMI

input for video as above.

Analogue inputs will require a stereo phono/RCA

phono/RCA cable

connection

the 551R. Digital inputs will require either a 75ohm digital type

phono/RCA

phono/RCA co-axial cable (S/P

DIF)

or an optical fibre cable

(TOSLINK)

The

551R will automatically use whichever is connected.

not

make connections to both

the

Optical and Co-axial inputs for a source.

Note:

The

Preamp output item

the

bottom of this menu selects between

Normal mode (the default),

Pre

Out Mode (when external power amps are

used) a

ncr

Ext

Mode (where external power amps for front left and right

only are used). These options are covered later. Make sure this setting shows

Normal.

TV-ARC

is also covered in a later section.

Once

you

have set the audio types exit

the

OSD

save.

This setting can also be changed

any time without using the

OSD

pressing the Audio Input

Type

button

the

front panel or remote, this will

then cycle between analogue, digital or HDMI input types where available for

the currently selected source, as usual they will then be remembered the

next time

you

return to

that

source.

Scaler Assign/Processing

The

551R features a Faroudja digital video processor; scaler.

This can

desired process any

the video sources and scale them up (or

down) to various resolutions.

This feature is most useful with analogue video sources where the processor

can clean up the picture and scale

720p,

1080i

1080p

before

outputtingthem over

HDMI

to a suitable

entering this menu

you

will see that

the

sources that

you

assigned an

analogue video input are automatically set to Process.

Sources

that

you

assigned an

HDMI

input for video are automatically set to

Bypass (i.e. no processing).

Scaler

Assign/Processing

Setup

BD/DVD

Video

CD/Aux

Tape/

MD/CDR

7.1

Direct

Output

resolution

Return

[OSD)

Process

.,..,.1

Bypass

......

Bypass

••

Bypass

.,..,.

Bypass

.,...,.

Bypass

••

Bypass

<~~~•

1080P/60Hz

.....

This is because many

HDMI

sources will be natively

1080p

or may have high

quality processing built in where

best

send this video directlyto the

without

any

further processing in

the

551R.

For

analogue video sources

is almost always desirable to process these for

best picture quality before passing them

the

change the Process/Bypass status of any source (including

HDMI)

simple

select

the

menu and use the

left

and right buttons

the remote.

You

can also set the desired output resolution for any Processed video

(Bypassed video

unaffected).

The

options are

480p

60Hz, 576p 50Hz,

720p

50Hz,

720p

60Hz,

1080i

50Hz,

1080i

60Hz,

1080p

50Hz and

1080p

60Hz.

Note: 3D

content, 24fps content or other video standards that the 551R

cannot process or recognise are always Bypassed to the output whatever the

setting

this

OSD

Surround sound modes

The 551R supports several music and home-cinema listening modes. The

outputthe 551R can provide, depends both on the source signal present, the

speaker setup selected and the decode mode selected. Before

describe

how

operate

the

551R, below is a brief guide to the Surround Sound

formats

that

the

551R is compatible with for reference:

[I]

DOLBY

TRUiilll:

Dolby's lossless audio technol

ogy

developed primarily for high capacity Blu-

ray discs/players. Dolby

True

delivers theoretically bit-for

-b

sound

identical to

the

studio master

the use

100

%lossless encoding.

Pre

vious

formats such as Dolby Digital 5.1 or

have used lossy encoding where

some data (that is theoretically less audible) is always lo

the

encoding

process

reduce

the

storage capacity needed on the disc. This is a new

format

that

supports up

eight (usually used as 7.1) full-range channels

24-bit/96

kHz

audio ortwo channels of

24/192

kHz

via

Blu-ray discs and is

not backwards compatible with earlier schemes.

The

format can either be

transmitted as a

'bitstream'

the

551R for internal decoding

(recommended) or can be decoded

some Blu-ray players internally and

sent

the 551R as multi-channel

PCM.

both cases an

HOM

I connection

is required

the

551R and a suitable Blu-ray player

Dolby True

is only

ever trans

mitt

ed over HDMI.

[I]

DOLBY

DIGITAL

PLUS

encoding scheme based

the

original Dolby Digital

CODEC,

but

with

enhancements

improve coding efficiency and improved audio quality.

Dolby Digital Plus supports

7.1

fully discrete channels compared to Dolby

Digitals 5.1(or

6.1

in its EXvariant where the

6th

channel is matrix encoded).

These Dolby Digital Plus bitstreams are not backward compatible with legacy

Dolby Digital decoders but require an

ceiver developed

decode them

(such as the 551R) and an

HOM/

connection as Dolby Digital Plus is currently

onlytransmitted over HOM/. It

howevera requirement

that

Dolby Digital

Plus enabled Blu-ray player must also be able transform

the

Dolby Digital

Plus into a backwards compatible Dolby Digital 5.1 output for

ayback on

legacy Dolby Digital systems. The 551R is however fully compatible with

Dolby Digital Plus.

ectts

...

Mast

Audio

A new lossless audio

CODEC

from

DTS

, rather than being incompatible with

earlier versions,

DTS

Master Audio is transmitted as an extension

normal

DTS

bitstream. A second embedded stream is sent which contains

e "difference" between

the

iginal s

tudio

master and

the

lossy

compressed

DTS,

plus

the

two extra channels.

DTS

Master Audio

enabled d

ices (such as the 551R) are able to use

is difference

information

recreate a

bit

for bit lossless version of

the

original 7.1 data.

Devices which do not support

the

MasterAudio extension simply decode

the

original 5.1

DTS

stream and ignore the Master Audio extension providing

backwards compatibility.

e~!'!!,

DT5-HD High Resolution Audio

Known also as

DTS-HR

an extension to the original

DTS

audio format.

DTS

High Resolution Audio supports 7.1 fully discrete channels compared

DTS'

s 5.1 (or 6.1 in its

DTS

ES Matrix or

DTS

Discrete variants).

with

DTS

MasterAudio a second embedded stream is se

which contains

"difference" between the original studio master and the lossy compressed

DTS

, plus the two extra channels, however in this case

the

extra stream is

also formed

lossy compression. Effectively this

a 7.1 version

DTS

whi

can

be decoded

devices (such as

the

551R) which are able

decode

DTS

gh Resolution Audio. Devices which do not support

High Resolution

tension simply decode the original 5.1

DTS

ream and

ignore the

gh Resolution

tension providing backwards compatibility

[I]

DOLBY

DIGITAL

Known also as

) or

5.1, provides (up to) 5.1 outputfrom s

uit

able

encoded Dolby Digital mate

with 5 main channels (Front L

t, Front Right,

Centre, Surround Left. Surround Right) and a

Low

equency Effects Channel

for the subwoofer, all discretely encoded. Decoding Dolby Digi

l requires a

Dolby Digital encoded

DVD

disc and a digital connection from the so

equipment (Such as a

DVD

player)

the

551R.

Note:

lby Digital and

DTS

formats can sometimes carry less channels than

their maximum such as Dolby

al (2/0) which means a Dol

Digital

encoded signal which is actually only carrying a two channel stereo signal

(other channels inactive).

ii\'l!!

dts

Di!lito

uJJWOil

Known also as

DTS

) or

DTS

5.1,

DTS

provides (up to) 5.1 output from

suitable encoded

DTS

material, with 5 main channels (Front Left, Front

Righ

Centre, Surround Left, Surround

ght) and a

Low

Freq

uency EffectsChannel

for the subwoofer, all discretely encoded. Decoding

DTS

requires a suitably

encoded

DTS

disc and a digital connection from the source equipment

toth

551R.

azur

551R

[I]

DOLBY

DIGITAL

Known alsoas

(3/3)

6.1, an enhanced form

Dolby Digital.

top

the discretely encoded 5.1 channels

provides an extra 6th channel

(Surround Back, giving 6.1) matrix encoded into

the

rear surrounds for

greater image depth and more solid sound localisation behind the listener.

requires a

encoded d

isc.

is backwards compatible with

5.1decoding.

isdecoded

normal

theSurround Back signal

will be present in both Left and

Righ

t Rear Surrounds (forming a phantom

rear centre). It can also be decoded

7.1

sending

the

Surround Back

decode

both the Surround Back Left and Right speakers (forming two

mono Back Surrounds).

Dig.ujS....ound!S

Known also as

DTS

(3/3)

Matrix, an enhanced form

DTS.

top

the

discretely encoded 5.1 channels

DTS

also provides an extra 6th channel

(Surround Back giving 6.1), matrix encoded into

the

rear surrounds for

greater image depth and more solid sound localisation behind the listener.

DTS

requires a

DTS

encoded disc.

DTS

material is backwards

compatible with

DTS

5.1 decoding.

DTS

is decoded as normal

DTS

the

Surround Back signal will be present

both Left a

ght

Rea

r Surrounds

(forming a phantom rear centre).

can

also be decoded

7.1

sending

the Surround Back decode

to th

e both the Surround Back L

eft

and Right

speake

(forming two mono Back Sur

unds).

DIJ'

S...round

Another enhanced form

DTS

, also known as

DTS

(3/3)

Discre

DTS

Discrete 6.1.

DTS

Discrete also provides an ext

channel (Surround Back)

for greater image depth and more solid sound localisation behind the

listener, however in this case extra data is included in the bitstream so that

all channels are discretely encoded.

The

Surround

ck has greater

separation from

e other channels than is possible with matrix encoded

technologies.

DTS-ES

Discrete requires a

DTS

Discrete encoded disc.

DTS

Discrete is backwards compatible with both

DTS

5.1 and

DTS

Matrix 6.1 decoding.

DTS

Discrete is decoded as normal

DTS

the

Surround

ck signal will be present in both L

eft

and Right

Rea

r Surrounds

(forming a phantom rear centre).

DTS

Discrete is decoded wi

DTS

Matrix the

rround Back signal will

decoded separate

(i.e. as 6.1) but

a matrix process, which will give the same channel separation as

the

source disc

re actually

DTS

Matrix (but notas good as

DTS

Discrete).

It can also be decoded as 7.1

sending the Surround Back decode

both

e Surround Back Left a

Right speakers (forming two mono Back

Surrounds).

[I]

DOLBY

PRO

LOGIC

The

replacement for

the

original

Pro

gic,

Pro

Logic

is a technology where

5 channels (Front Left, Front Right, Centre, Surround Left, Surround Right)

are encoded into a Stereo mix

an analogue matrix process. Dolby

Pro

Logic

material can be played back

normal Stereo equipment (as Stereo) or

decoded

int

o 5 channel surrou

-sound.

Dolby

Pro

Logic

is compatible with the earli

4 channel

(left

, Centre, Right

and mono Surround) Dolby

Pro

Logi

c system (which

s the decoding

counterpart

Dolby Surround encoding) as used widely on Video tapes,

broadcasts and earlierfilms.

Note: Pro Logic does not include a Low Frequency Effects channel for

the

Subwoofer, but

the

551R can create a Subwoofer output (for 5.1) via Bass

management. Refer

the 'Tone/Sub/

LFE

configuration' section in

the

'Operating instructions' part

this manual.

[I]

DOLBY

PRO LOGIC

llx

]

A newer version

Dolby

Pro

Logic

which is able to recreate 7 discre

surround sound channels from suitable encoded stereo source materia

Pro

Logic llx also

s modes for post processing either Stereo material or 5.1

material into 7 channels whether or not

has been

Pro

Logic llx encoded.

en 5.1 decodingis required, Dolby Prologic

decodingwill alwa

be us

e 551R in place

Pro

gic llx

llx only works for 7 ch

nel output.

Note: Pro Logic llxdoes not include a

Low

Frequency Effectschannel

for

the

Subwoofer, but the 551R can create a Subwoofer output (for 7.1) via Bass

management. Refer

the

'Tone/Sub/

LFE

configuration' section in

the

'Operating instructions' part

this manual.

Cambridge

Audio

Surround sound modes cont.

.efts

...

DTS

technology which is able to recreate 6 channel (Left Front. Right Front,

Centre, LeftSurround, Right

SJ,mound

, Surround Back )surround sound from

suitable analogue matrix encoded stereo source material.

DTS

Neo

material

can

played back

normal Stereo equipment (as Stereo) or

decoded into 7.1

sending the Surround Back decode to the both the

Surround Back Left and Right speakers (forming two mono Back Surrounds).

Note:

Neo

:6 does not Include a

Low

Frequency Effects channel for the

Subwoofer, but the 551R can create a Subwoofer output via Bass

management. Refer to the 'Tone/Sub/LFE configuration' section in the

'Operating instructions' part of this manual.

DTS

technology that provides 5.1 channels of 96kHz 1 24bit audio (along

with video if required)

DVD-Video

and

DVD-Audio

(video zone) discs (when

suitably encoded

DTS

96/24).

DVD

players which allow '

DTS

digital out'

pass the

DTS

/24 bitstream over S/ P

DIF

HDMI

for decoding

the

551R.

DSP modes

These

modes allow a surround-sound experience from source material that

has

encoding at all.

The

surround sound effect is achieved

Digital

Signal Processing of the Analogue or Digital stereo source used.

Five

modes

are possible: Movie, Music,

Room,

Theatre and Hall.

Stereo/Stereo + Sub

Only

the Front Left and Front Right speakers (and subwoofer

selected) have

output in this mode. If

analogue source is selected it will

converted to

digital via 24 bit

A/0

converters to allow digital domain sub creation and

bass/treble controls.

Ifa digital source is selected the 551R will

processing either

LPCM

stereo

(from the digital outputs of a

player for instance) or a Stereo downmix

DTS

material (from the digital output of a

DVD

player for instance).

Other modes

Analogue Stereo Direct

Selects the analogue inputs for the current source directly with

A/D

conversion,

DSP

processing, Bass/Treble or subwoofer channel active.

Provides the very best fidelity for analogue

Hi-Fi

source equipment.

this

mode the 551R is acting

just

like a normal

Hi-Fi

integrated amplifier.

Multi Channel PCM

Some playback devices (in particular Blu-ray players) are able to decode

some of the above formats themselves internally and then output the

decoded audio

Multi Channel

PCM

to the 551R.

addition Bl

u-ray

disks

can support native unencoded Multi Channel

PCM

soundtracks (of

to 8

channels)

the disc itself.

eithercase

your player can outputthese over

HOM

I the 551R is able

receive them

Multi-Channel

PCM

mode.

Operating instructions

activate the 551R,

itch the

Power

button

the rear panel to

then

press the Standby/

button

the front pane

Selecting the source

1. Select the desired source

pushing the corresponding source button on

the front panel or remote control.

60/DVD Vi

deo

1 Video 2 Video

3/MP3

Tun

FM/

Tape/MD

DR CO(AuxjTV 7.1 Direct

~©©©©©©©

2. If necessary, press the Audio Input

Type

button to select the input mode of

the source equipment, either analogue, digital or

HOM

I (depending on the

connection made

the rear panel).

You

may

have already assigned this

the 'Audio

Out

Setup Menu'

the

OSD.

...-

Dig

itally Processed Modes

--.

put

Type

Stereo

Modes

f:f:j

ound

Modes

Pic.

Mute;

nfo

The

digital, analogue or

HDMI

icons

the display show which is the

currently selected input type.

Note:

The

551R stores the input type for each source

that it is

automatically recalled when that source is selected again.

Selecting the desired listening mode

Select

appropriate mode for the source materia

type

you

are listening to

pressing the Stereo or Surround Modes button and cycling through sub-

modes where available.

...-Digi

tal

Processed M

odes----..

~at!

put T

ype

Modes Surround

Modes

Pic.

Adj.

Mute/

In all cases the first time a mode button is pressed the 551R will report the

currentdecoding mode

the front panel display. Pressing the button again

will then cycle to the next available mode (if there is one). If

button is

pressed for 4 or 5 seconds the 551R returns to normal operation without

changing mode.

Stereo Modes -Selects 2 channel Stereo operation for stereo material,

pressing again selects Stereo + Sub mode.

This is a digitally processed mode that allows bass and treble controls, and

sub generation

required.

The

input can

either analogue

(in

wilich case

will

turned into digital

24 bit A/D conversion) or natively digital.

Surround Modes -Selects a range

digital surround modes for the

appropriately digitally encoded material

Note:

Some

Surround Sound types (such

the

Dolby

and

DTS

HD)

are

available only from

Blu-ray

disc over

HDMI.

Pressing the Surround Modes button will cause the 551R to lock onto the

incoming bitstream and select the first available mode for the current

bitstream type.

some circumstances (see tables) pressing the button again will

itch to

an alternative decoding option.

Table of contents

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