Harman Kardon AVP-2 User manual

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harman/kardon

Digital

Surround

Processor

INSTALLATION

AND

OPERATION

MANUAL

FOR

PEOPLE

WHO

DON’T

READ

MANUALS

Please

read

this

one.

The

time

you

invest

will

be

worth

it.

MB

avp2

Surround

Parameters

If

you

feel

you

absolutely

do

not

;

CAUTION

have

time

to

read

it

just

now,

here

is

MM

installing

your

AVP2

a

short

list

of

key

information

you

will

HE

setup

RISK

OF

ELECTRIC

SHOCK

Voi

pee

polcann

ee

If

you

don’t

have

time

to

read

this

DO

NOT

OPEN

sections

will

take

only

a

few

minutes.

manual,

a

step-by-step

quick

installation

guide

is

provided

on

the

4

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

;

;

:

next

page.

In

order

to

achieve

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALIFIED

SERVICE

PERSONNEL.

|_|

Becoming

Acquainted

with

your

optimum

system

performance,

it

is

an

iorining

flash

an

arenes

The

exclamation

_

point

ani

an

AVP2

still

essential

that

you

read

and

symbol,

within

an

equilateral

triangle,

is

equilateral

triangle

is

intended

to

alert

the

,

intended

to

alert

the

user

to

the

presence

user

to

the

presence

of

important

WB

AVP?

Features

understand

the

materials

presented

of

uninsulated

"dangerous

voltage"

within

operating

and

maintenance

(servicing)

in

this

manual.

the

product’s

enclosure

that

may

be

of

instructions

in

the

literature

accompanying

sufficient

magnitude

to

constitute

a

risk

of

the

appliance.

electric

shock

to

persons.

WARNING:

TO

REDUCE

THE

RISK

OF

FIRE

OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

CAUTION:

TO

PREVENT

ELECTRIC

SHOCK,

DO

NOT

USE

THIS

(POLARIZED)

PLUG

WITH

AN

EXTEN-

SION

CORD,

RECEPTACLE,

OR

OTHER

OUTLET

UNLESS

THE

BLADES

CAN

BE

FULLY

INSERTED

TO

PREVENT

BLADE

EXPOSURE.

ATTENTION:

POUR

PREVENIR

LES

CHOCS

ELECTRIQUES

NE

PAS

UTILISER

CETTE

FICHE

POLAR-

ISEE

AVEC

UN

PROLONGATEUR,

UNE

PRISE

DE

COURANT

OU

UNE

AUTRE

SORTIE

DE

COURANT,

SAUF

S|

LES

LAMES

PEUVENT

ETRE

INSEREES

A

FOND

SANS

EN

LAISSER

AUCUNE

PARTIE

A

DECOUVERT.

U.S.

and

Canadian

customers

should

use

120

volt

AC

Ml

In

a

direct

draft

from

an

air

conditioner

or

in

other

only.

Other

customers

should

use

voltages

appropriate

very

cold

locations;

to

their

area.

Connecting

the

unit

to

an

outlet

supplying

i

In

places

subject

to

excessive

vibration

or

dust;

a

higher

voltage

may

create

a

fire

hazard.

Hf

In

poorly

ventilated

places.

Handle

the

Power

Cord

Gently.

MOVING

THE

UNIT.

Before

moving

the

unit,

be

sure

to

@

To

disconnect

the

plug

from

the

AC

outlet,

pullon

unplug

the

power

cord

from

the

AC

outlet

and

disconnect

the

plug

itself,

not

on

the

cord.

all

wires

to

other

stereo

components.

Disconnect

the

plug

from

the

AC

outlet

whenever

DQ

NOT

OPEN

THE

CABINET.

Do

not

attempttto

service

the

unit

is

to

be

left

unused

for

an

extended

period

this

unit.

Tampering

with

internal

components

can

cause

of

time.

;

fire

or

shock,

and

may

void

your

guarantee.

If

water

or

M@

Do

not

place

furniture

or

other

heavy

objects

on

the

maj

objects

enter

the

unit,

unplug

the

power

cord

im-

cord,

and

avoid

dropping

heavy

objects

on

it.

Also

mediately

and

consult

an

authorized

Harman

Kardon

do

not

make

a

knot

in

the

cord.

dealer

or

our

factory

service

department.

Using

the

unit

Place

the

unit

on

a

firm

and

level

surface.

under

such

conditions

may

cause

a

fire

or

shock

hazard.

Avoid

installing

it:

CLEANING.

Remove

dust

by

wiping

the

unit

with

a

soft,

Hn

moist

or

humid

places;

dry

cloth.

If

necessary,

use

a

soft

cloth

lightly

dampened

HH

Close

to

heating

equipment

or

in

places

exposed

with

a

mild

soapy

water;

then

wipe

with

a

dry

cloth.

Never

to

direct

sunlight;

use

benzene,

thinner,

alcohol

or

other

volatile

agents,

and

avoid

spraying

insecticides

near

the

unit.

This

digital

apparatus

does

not

exceed

the

Class

B

limits

for

radio

noise

emissions

from

digital

apparatus

as

set

out

in

the

Radio

Interference

Regulations

of

the

Canadian

Department

of

Communications.

Le

présent

appareil

numérique

n’émet

pas

de

Bruits

Radioélectriques

Déspassant

les

limites

applicables

aux

appareiles

numériques

de

Classe

B

prescites

dans

le

reglement

sur

le

brouillage

radioélectrique

édicté

par

le

ministére

des

Communications

du

Canada.

TABLE

OF

CONTENTS

Step-by-Step

"QUICK

GUIDE"

Becoming

Acquainted

with

Your

AVP2

AVP2

Features

Audio Video

Inputs/Outputs

Back

Panel

Illustration

Surround

Parameters

Remote

Control

Functions

Remote

Control

Illustration

Installing

Your

AVP2

Adjusting

The

Dolby™

Time

Link

Digital

Audio

Delay

System

Troubleshooting

About

Radio-TV

Interference

AVP2

Specifications

Trademark

and

Patent

Acknowledgements

Warranty

Information

INSTALLATION

OF

YOUR

AVP2

1.

As

a

minimum,

you

will

require

the

following

items:

left/right

front

speakers,

two

surround

speakers,

four

channels

of

audio

amplification,

and

an

AV

source

plus

necessary

cables.

Additional

system

options

include

a

center

channel

speaker,

and

subwoofer

plus

additional

channels

of

audio

amplification

and/or

additional

audio-video

sources.

.

Place

the

speakers

and

connect

them

to

your

amplifiers.

Be

sure

you

observe

proper

polarity.

.

Connect

the

appropriate

interconnect

cables

between

the

outputs

of

the

AVP2

and

the

audio

amplifier

inputs.

.

Connect

the

output

of

an

audio

video

source

such

as

a

laser

disc

player

or

hifi

VCR

to

one

of

the

inputs

on

the

AVP2.

.

Using

the

handheld

remote

control,

select

the

following:

Dolby™

Pro

Logic.

CTR

OFF

if

a

center

speaker

is

not

being

used.

.

Push

the

Noise

Sequencer

button

on

the

front

panel

of

the

AVP2.

A

STEP-BY-STEP

“QUICK

GUIDE”

A

test

signal

will

start

on

the

left

front

channel

and

sequence

clockwise

around

the

room.

If

any

channels

are

mis-connected,

correct

the

connections.

Adjust

the

Output

Trim

Level

controls

on

the

back

of

the

AVP2

so

that

the

volume

is

the

same

from

each

speaker

at

the

listening

position.

We

recommend

the

use

of

a

sound

pressure

level

meter,

if

available.

Set

it

for

"C"

weighting,

"slow".

Adjust

the

output

trim

levels

so

each

speaker

produces

75

dB

sound

pressure

level.

7.

Turn

off

the

Noise

sequencer.

Select

a

Dolby

Surround

encoded

movie

on

laser

disc

or

hifi

VCR

to

verify

system

performance.

Please

read

the

rest

of

this

manual.

It

provides

additional

information

which

will

help

you

optimize

your

system

performance.

Dolby,

Pro

Logic,

Time

Link

and

the

double-D

logo

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

< *

I

BECOMING

ACQUAINTED

The

AVP2

is

the

most

advanced

preamp/AV

control

center/surround

processor

available

in

it’s

price

range.

In

addition

to

extensive

audio

processing

capabilities,

the

AVP2

incorporates

a

comprehensive

audio-video

switcher.

The

entire

unit

is

microprocessor

controlled

utilizing

an

LED

display

system

to

provide

visual

indications

of

the

operational

status.

AVP2

INNOVATIONS

AND

TECHNOLOGY

The

AVP2

incorporates

a

combination

of

existing

and

new

technology:

a

Proprietary

high

speed

Digital

Servo

Logic™

system

and

other

advanced

surround

technology

designed

by

Jim

Fosgate

for

use

with

both

surround

encoded

and

non-encoded

stereo

audio

sources

|

Dolby

Pro

Logic

Surround

for

encoded

motion

pictures,

stereo

CDs

and

television

audio

soundtracks.

|

Proprietary

Music

Surround

modes

(Rock

and

Popular)

which

deliver

true

stereo

surround.

The

AVP2

incorporates

a

comprehensive

menu

of

pre-programmed

modes

for

playback

WITH

YOUR

AVP2

of

music

sources.

Some

modes

may

be

altered

to

suit

listening

tastes

or

environmental

requirements.

FEATURES

In

addition

to

a

wide

range

of

listener-selectable

surround

parameters,

the

AVP2

provides

a

number

of

beneficial

operating

features.

These

include:

automatic

input

balance

calibration,

a

built-in

test

noise

sequencer,

adjustable

output

level

trim

controls,

A/V

input

switching,

a

separate

A/V

record

output

circuit,

direct

remote

access

of

inputs

and

surround

parameters,

automatic

memory

update

of

important

changes

to

specific

surround

parameters.

A

complete

description

of

operating

features

begins

on

this

page.

MOTION

PICTURE

SURROUND

PARAMETERS

Two

parameters

for

the

playback

of

motion

picture

soundtracks

are

provided.

They

are

Dolby

Pro

Logic

and

our

proprietary

70mm

mode.

A

complete

description

of

all

AVP2

surround

parameters

is

found

on

page

6.

OPERATING

FEATURES

The

AVP2

incorporates

a

number

of

operational

features

which

have

been

designed

to

enhance

the

performance

and

versatility

of

your

home

surround

audio

system.

An

explanation

of

each

feature

and

application

follows

each

listing.

Selectable

Bass

Equalization

Three

levels

of

bass

boost

(4,

8,

and

12

dB)

are

selectable

from

the

handheld

remote

control.

As

the

boost

is

increased,

the

range

of

maximum

boost

is

shifted

upward

from

about

30

Hz

to

60

Hz.

Normally,

with

most

systems

no

more

than

4

or

8

dB

of

boost

will

be

required

once

proper

output

level

and

woofer

placement

is

determined.

High

Frequency

Equalization

This

circuit

is

useful

with

program

material

which

sounds

"hot"

or

bright.

It

can

be

manually

switched

in

with

the

handheld

remote

control.

An

indicator

light

on

the

front

panel

indicates

when

the

high

frequency

re-equalization

circuit

is

switched

on.

Steering

Logic

Display

This

display

provides

a

visual

indication

of

steering

logic

activity.

As

an

example,

a

center

front

signal,

such

as

dialogue,

will

illuminate

the

center

top

LED

while

surround

encoded

signals

will

illuminate

the

bottom

LEDs.

During

use

with

a

stereo

signal,

the

entire

array

will

constantly

change

illumination

levels

on

a

dynamic

basis.

A

monophonic

signal

will

only

illuminate

the

center

top

LED.

Because

of

the

wide

dynamic

range

of

Digital

Servo

Logic,

when

no

audio

signal

is

present,

the

LED

indicators

may

differ

in

illumination

as

a

result

of

normal

production

variations

and

the

varying

noise

floors

of

audio

sources

in

the

system.

Source

Select

This

function,

available

via

the

remote

and

the

front

panel

of

the

AVP2,

selects

the

desired

A/V

input.

A

desired

source

may

be

directly

selected

from

the

handheld

remote

control.

Record

Select

This

function,

available

only

from

the

front

panel

of

the

AVP2,

selects

the

A/V

source

for

recording

purposes

or

to

be

distributed

to

a

second

room

location.

The

record

output

stereo

audio

is

unprocessed.

Composite

video

is

not

transcoded

to

S-type

video

or

vice-versa.

OQ

[pouey

sunnounn

|

PROLOGIC*TIMELINK

ha

rman/

ka

rdon

AVP2

digital

Servo

Surround

Processor

S-Video

1

45ms

0

0+120B

©

Rock

©

Mono

S-Video

2

©

Pop

Mute

©

Bypass

vcr

4 2

25

ms

0

Jazz

VDP

0

440B

;

Aux

t

20ms

© ©

70mm

Noise

Seq.

©

Hi-Freq

Eq

Aux

2

15ms

©

©

0dB

©

Pro

Logic

°

©

Sib-Filter

30

ms

©

©

+8qB

°

Center

On

Time

Delay

©

Classical

©

Center

Boost

Source

Select

amie

Center

Boost

This

function,

accessible

via

the

handheld

remote,

increases

the

output

level

of

the

center

front

channel

by

approximately

3

dB.

Pushing

the

CTR

boost

a

second

time

restores

center

front

level

to

normal.

CTR

boost

may

be

occasionally

desired

when

listening

to

some

motion

picture

sound

tracks.

Sibilant

Filter

This

function,

accessible

via

the

handheld

remote,

engages

circuitry

which

minimizes

crosstalk

in

the

surround

channels

caused

by

speech

sibilants

but

without

causing

loss

of

high

frequency

detail.

An

indicator

light

on

the

front

panel

indicates

when

the

sibilant

filter

is

engaged.

VY

Volume

a

re

Use

the

sibilant

filter

wnenever

you

hear

sibilant

sounds

from

dialogue

present

in

the

surround

channel.

Mute

This

function

totally

mutes

the

output

of

the

AVP2.

Time

Delay

Delay

settings,

accessible

via

the

handheld

remote,

can

be

adjusted

from

15

to

30

ms

in

the

Pro

Logic

mode,

and

up

to

45

ms

in

the

70mm

and

Classical

modes.

Changes

in

time

delay

settings

are

automatically

retained

in

the

memory

of

the

AVP2.

Time

Delay

is

not

available

in

the

Rock,

Popular,

or

Jazz

modes

and

the

Time

Delay

LED

indicators

will

not

be

illuminated.

Surround

Mode

Select

|

Noise

Sequencer

Remote

Infrared

Sensor

Jack

This

miniature

input

jack,

located

on

the

rear

panel,

accepts

input

from

a

remote

infrared

transmitter/sensor

or

remote

key

pad.

The

remote

IR

jack

is

provided

for

custom

installation

applications.

Consult

your

dealer

or

Harman

Kardon

for

additional

application

information.

Accessory

Control

Output

This

five-pin

standard

DIN

jack

located

on

the

back

panel

on

the

lower

right

corner,

can

provide

trigger

signals

to

turn

on

the

system

electronics,

lower

or

raise

a

projection

screen,

dim

or

raise

room

lighting,

etc.

Consult

your

dealer

or

Harman

Kardon

for

additional

information

regarding

future

adaptor

availability.

IMPORTANT

NOTE

As

AV

inputs

are

selected,

some

changes

in

settings

(surround

mode,

center

front

on/off,

hi-freq

eq,

etc.)

are

automatically

memorized

two

seconds

after

selection,

and

the

LED

display

will

momentarily

flash.

This

is

normal

and

indicates

that

the

selected

parameters

used

on

a

particular

Input

and

Mode

will

be

stored

in

the

AVP2’s

memory

circuits.

To

RESET

your

AVP2

to

the

original

factory

settings,

unplug

it

from

the

AC

outlet.

While

pushing

the

Noise

Sequencer

button

on

the

front

panel,

plug

the

AVP2

back

into

the

power

source.

Release

the

Noise

Sequencer

button

after

five

seconds.

Factory

settings

will

then

be

restored.

Manufactured

under

license

from

Dolby

Laboratories

Licensing

Corporation.

Additionally

licensed

under

the

following

patents:

U.S.

3,959,590,

4,932,059;

Canada

1,004,603,

1,037,877

and

patents

pending

of

Jim

Fosgate.

Dolby

and

the

double

D

symbol

are

trademarks

of

Dolby

Laboratories

Licensing

Corporation.

MADE

IN

THE

U.S.A.

harman/kardon

8380

Balboa

Boulevard

Northridge,

CA

91325

AVP2

BACK

PANEL

A

DO

NOT

OPEN

ATTENTION:

risque

0€

CHOC

ELECTRIQUE-NE

PAS

OUVRIR

WITH

SAME

TYPE

250mA,

250

VOLT

FUSE

ATTENTION:

UN

FUSIBLE

DE

RECHANGE

O°

CAUTION

CAUTION:

FOR

CONTINUED

PROTECTION

RISK.OF

ELECTRIC

SHOCK

AGAINST

RISK

OF

FIRE,

REPLACE

ONLY

WARNING:

To

nEoUCE

THE

RISK

OF

FIRF

OR

FLFCTRIC

SHOCK

DO

NOT

EXPOSE

THIS

EQUIPMENT

TO

RAIN

OR

MOISTURE

DE

MEME

TYPE

DE

250mA,

250

V

Audio

Source

Input

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Outputs

|

VIDEO

INPUTS

Video

Output

Aux

1

Source

SUB

OUTPUT

LEVEL

ADJUSTMENTS,

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Not

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as

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CONSUMPTION

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VCR

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S-Inputs

S-Outputs

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Quiputs

AVP2

AUDIO

VIDEO

INPUTS/OUTPUTS

Audio

Inputs

:

All

input

jacks

are

grouped

to

the

left

hand

side

of

the

back

panel

as

viewed

from

the

backside

of

the

AVP2.

They

are

labeled

S-Video

1,

S-Video

2,

VCR,

VDP

(Video

Disc

Player),

Aux

1,

and

Aux

2:

All

six

inputs

accept

input

audio

signals

ranging

in

level

from

.25

volt

to

3

volts.

Audio

Record

Outputs

This

pair

of

output

jacks

located

next

to

the

audio

input

group,

provides

unprocessed

stereo

audio

for

a

tape

recorder

or

a

second

zone

or

room

location.

Audio

Outputs

This

group

of

output

jacks

provides

the

appropriate

signals

to

feed

external

power

amplifiers

driving

the

main

front

speakers

for

left,

right,

and

center

(LF,

RF,

CF)

subwoofer(sub),

and

left

and

right

rear

speakers

(LR,

RR).

Individual

output

level

trim

controls

are

located

to

the

right

of

the

audio

output

jacks.

The

trim

controls

can

be

finger

adjusted.

Exercise

care

when

turning

the

trim

controls;

do

not

use

excessive

force

or

the

control

may

be

damaged.

Video

Inputs

These

composite

video

inputs

are

located

just

to

the

right

of

the

audio

output

trim

level

controls.

They

are

labeled

to

coincide

with

four

audio

inputs:

VCR,

VDP,

Aux

1,

Aux

2,

Video

Outputs

This

pair

of

composite

video

outputs

located

to

the

right

of

the

video

inputs

provide

composite

video

outputs

to

feed

a

video

monitor

or

projector.

The

record

output

provides

a

separate

audio

feed

for

recording

or

a

second

room

location.

The

video

signal

for

the

record

output

is

selected

by

the

Record

Select

button

the

front

panel

of

the

AVP2.

S-Video

Inputs

S-Video

1

and

S-Video

2

are

located

just

to

the

right

of

the

composite

video

outputs.

S-Video

1

and

S-Video

2

accept

S-type

video

signals

from

S-type

VCRs,

laser

disc

players,

and

satellite

television

receivers.

S-Video

Outputs

The

S-Video

outputs

are

located

to

the

right

of

the

S-Video

inputs.

The

Source

output

feeds

a

video

monitor

or

projector

which

accepts

S-type

video

while

the

Record

output

feeds

a

VCR

or

second

room

location.

CAUTION:

We

do

not

recommend

running

S-Video

over

cable

lengths

exceeding

15’.

An

optional

switcher/RGB

chroma

decoder,

the

VC

3,

is

available

from

Harman

Video.

The

VC

3

automatically

selects

S-type

or

composite

video

and

transcodes

it

to

RGB

for

feeding

RGB-capable

video

projectors

such

as

the

Harman

Models

3,

6,

8,

and

Data

series

ES

INTRODUCTION

The

AVP2

has

been

designed

to

offer

the

most

important

surround

parameters

which

accomodate

all

types

of

music

and

motion

picture

sound

tracks.

Conventional

motion

picture

surround

processing

technology

was

not

originally

intended

for

music

reproduction

so

virutally

every

other

manufactuer

of

surround

processors

has

elected

to

offer

digital

soundfield

processing,

or

"DSP",

for

music

listening

enhancement.

While

DSP

is

rather

technically

ambitious,

it

often

delivers

results

that

are

distinctly

artificial

sounding.

Digitally-generated

reverberation

or

effects

are

usually

added

to

the

natural

or

studio-created

ambience

of

the

original

recording.

But

mixing

DSP-generated

effects

via

a

home

processor

usually

creates

a

sonic

result

that

is

not

representative

of

the

original

recording

or

the

desired

new

venue.

More

recently,

some

manufacturers

have

started

providing

digital

front

channel

effects,

as

well,

in

combination

with

Pro

Logic

decoding

in

an

attempt

to

create

the

sound

characteristics

of

a

large

theatre

auditorium

environment.

Unfortunately,

the

result

is

usually

the

accurate

recreation

of

an

acoustically

less-than-perfect

theatre!

The

very

best

theatres

are

designed

and

constructed

using

acoustical

techniques

to

actually

reduce

reverberant

information.

This

allows

the

audience

to

hear

through

to

the

sound

track

rather

than

be

distracted

or

suffer

from

poor

dialogue

intelligibility

and

imaging

as

a

result

of

too

much

reverberant

sound

in

the

auditorium.

The

various

operating

modes

designed

for

the

AVP2

deliver

natural

recreation

of

the

original

recording

environment

without

the

use

of

DSP.

The

technology

employed

in

the

AVP2

is

the

result

of

nearly

two

decades

of

research

in

the

field

of

multichannel

sound

by

Jim

Fosgate.

Rock

This

mode

was

designed

to

give

an

exciting,

wrap

around

presentation

to

a

typical

multi-track

recording.

The

Rock

mode

is

beneficial

with

any

stereo

recording

which

has

a

very

narrow

front

soundstage.

Stereo

recordings

which

are

recorded

with

excessive

left/right

separation

should

not

be

played

back

in

the

Rock

mode.

Popular

The

Popular

mode

is

very

similar

to

the

Rock

mode

but the

listening

perspective

is

slightly

more

frontal

with

less

of

a

"wrap-around"

effect.

The

Popular

mode

is

the

most

universal

for

a

wide

variety

of

music,

including

rock,

light

rock,

Broadway

shows,

etc,

especially

if

you

enjoy

an

"up

front”

perspective.

Many

motion

picture

sound

tracks

are

very

exciting

when

decoded

through

the

Popular

mode.

Jazz

The

Jazz

mode

is

particularly

well

suited

for

the

reproduction

of

any

live

recording

of

popular

or

jazz

music.

The

soundstage

will

be

primarily

frontal

in

presentation

with

ambience

coming

from

the

surround

speakers.

Separation

of

instruments

will

not

sound

exaggerated,

but

will

sound

like

an

ensemble

playing

in

front

of

you.

The

natural

room

acoustics

of

the

recording

environment

will

be

preserved.

The

Jazz

mode

delivers

full-range

mono

surround

information.

70mm

This

is

our

most

advanced

motion

picture

surround

mode

and

features

controlled

blending

of

left/right

front

channel

information

into

the

surround

channels.

This

provides

a

heightened

sense

of

spaciousness

with

software

which

AVP2

SURROUND

PARAMETERS

has

little

or

no

encoded

surround

information.

The

70mm

mode

also

produces

stereo-like

surround

effects

without

destroying

the

integrity

and

accuracy

of

the

front

sound

stage.

Up

to

45

ms

of

time

delay

may

be

used

in

the

70mm

mode.

Pro

Logic

This

is

the

consumer

version

of

the

professional

Dolby

surround

system

used

as

part

of

Dolby

Stereo

in

motion

picture

theatres.

A

sophisticated

microprocessor

system

in

the

AVP2

re-configures

Digital

Servo

Logic

to

precisely

duplicate

Pro

Logic.

The

audio

circuit

topology

used

within

the

AVP2

delivers

Pro

Logic

decoding

with

superb

audio

quality.

Time

delay

settings

range

from

15

to

30

ms

in

5

ms

increments.

Classical

The

Classical

mode

uses

no

processing

on

the

front

channels

unless

the

CTR

button

is

engaged

on

the

handheld

remote

control.

This

"purist"

approach

delivers

maximum

sonic

quality

from

complex

orchestral

and

choral

works.

The

Classical

mode

provides

a

“midhall"

listening

perspective.

Mono

This

mode

generates

a

synthesized

surround

field

from

a

monaural

program

source.

A

pleasing,

spatial

effect

can

be

derived

from

older

music

recordings,

mono

TV

broadcasts

(particularly

sporting

events),

or

movies

mixed

with

mono

sound.

If

you

own

a

monophonic

VCR,

or

other

monophonic

audio

components,

the

connection

to

the

AVP2

must

be

completed

using

a

"Y"

connector..

The

"Y"

connector

provides

the

same

audio

signal

to

the

AVP2

stereo

inputs.

Bypass

The

Bypass

mode

allows

the

listener

to

electronically

remove

the

AVP2

surround

processing

circuits

from

the

audio

signal

path.

Only

the

left

and

right

front

speakers

and

subwoofer

remain

functional.

A

single

low

distortion

buffered

variable

gain

stage

of

proprietary

design

remains

in

the

audio

signal

path.

This

stage

is

extremely

"pure"

in

design

and

allows

remote

operation

of

system

volume

without

the

necessity

of

a

motorized

volume

control.

REMOTE

CONTROL

FUNCTIONS

The

handheld

remote

supplied

with

the

AVP2

operates

reliably

up

to

25

feet

from

the

AVP2.

The

AVP2

will

accept

signals

from

the

hadheld

remote

over

an

angle

of

approximately

40

degrees.

The

handheld

remote

is

supplied

with

two

"AA"

batteries

factory

installed.

All

major

operating

functions

of

the

AVP2

can

be

accessed

from

the

handheld

remote

control.

In

addition,

overall

system

volume

and

front-to-surround

balance

can

be

controlled

from

the

handheld

remote

control.

The

Reset

button

is

located

between

buttons

which

raise

or

lower

the

volume

of

the

back

channels.

Pushing

the

Reset

button

restores

the

system

balance

to

the

original

factory

setting.

Because

of

variations

in

amplifier

sensitivity

and

speaker

efficiency,

it

may

be

necessary

to

recalibrate

the

Reset

settings.

The

Reset

setting

should

be

calibrated

when

initially

setting

up

the

system

levels

using

a

sound

level

meter

and

the

noise

sequencer

in

the

AVP2.

Master

Volume

ED

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Digital

Servo

Surround

Processoe

°°":

STEP

1.

With

the

AVP2

installed

and

operational,

push

the

Reset

button.

STEP

2.

Push

the

Noise

Sequencer

button

on

the

front

panel

of

the

AVP2.

STEP

3.

Using

a

sound

pressure

level

meter,

adjust

the

output

level

trim

controls

on

the

back

panel

of

the

AVP2

so

that

each

speaker

produces

a

75

dB

sound

pressure

level

at

the

listening

location.

Once

this

procudure

has

been

completed

you

will

be

able

to

change

front

to

back

balance

of

the

system

as

software

and

listening

tastes

dictate

and

instantly

return

the

balance

to

the

setting

you

have

calibrated

for

your

system

by

simply

pushing

the

Reset

button

on

the

handheld

remote

control.

For

convenience

of

operation,

we

suggest

that

you

run

all

your

main

audio

and

video

sources

through

the

AVP2.

Four

inputs

accept

audio

and

composite

video

sources

while

the

remaining

two

accept

audio

and

S-type

(Y/C)

video

from

S-VHS,

S-Beta,

and

some

laser

video

players

and

satellite

receivers.

The

AVP2

does

not

transcode

the

video

signals.

Composite

video

will

only

appear

on

the

composite

video

outputs

(monitor

and

record).

Likewise,

S-type

video

signals

will

only

appear

on

the

S-type

outputs.

The

AVP2

can

become

the

heart

of

a

home

entertainment

environment.

Every

type

of

consumer

audio

source

can

be

used

with

the

AVP2

except

a

tunrtable.

If

you

wish

to

use

a

turntable

cartridge

with

the

AVP2

you

will

require

a

phono

preamplifier

or

stereo

receiver

to

provide

proper

preamplification

and

RIAA

equalization.

The

main

output

or

tape

output

from

a

preamp

or

receiver

should

be

connected

to

one

of

the

six

audio

inputs

on

the

AVP2.

If

you

have

a

subwoofer,

use

the

Mono

Sub

output.

Distance

From

The

Rear

Speakers

(in

feet)

INSTALLING

YOUR

AVP2

0

5

Distance

From

The

Front

Speakers

(in

feet)

Surround

Delay

Graph

10

15

20 25

30

35

40

Preferred

Acceptable

Not

Recommended

Adjusting

the

Dolby

Time

Link

Digital

Audio

Signal

Delay

System

All

Dolby

Pro

Logic

surround

decoders

incorporate

an

audio

signal

time

delay

to

the

surround

speakers.

The

AVP2

incorporates

Dolby

Laboratories’

advanced

new

digital

time

delay

system:

Time

Link.

The

Dolby

Pro

Logic

surround

process

occasionally

yields

erroneous

leakage

of

front

channel

sounds

to

the

surround

speakers.

Time

Link,

a

digital

audio

time

delay

circuit,

is

used

to

reduce

the

perceived

level

of

leakage

because

of

the

"Haas"

or

precedence

effect.

When

the

front

channel

information

leaks

into

the

surround

speakers,

we

end

up

hearing

this

leakage

out

of

the

surround

speakers

following

the

arrival

(at

our

ears)

of

the

front

channel

information.

The

optimum

Time

Link

setting

depends

on

the

distance

between

the

main

seating

area

and

the

front

speakers,

and

the

distance

between

the

main

seating

area

and

the

surround

speakers.

Refer

to

the

graph

for

choosing

the

best

setting

in

any

given

situation.

Measure

the

two

distance

and

look

to

where

they

meet

on

the

graph.

The

shaded

areas

will

indicate

the

best

setting

for

Time

Link.

If

in

doubt,

simply

set

Time

Link

for

20

ms

of

delay.

The

setting

will

be

stored

in

the

memory

of

the

AVP2

until

you

change

it.

You

may

also

use

Time

Link

to

enhance

certain

music

surround

modes

available

in

the

AVP2.

Sureiareteten

santana

ta

nN

CERR

RENE.

ies

austrian

SYMPTON

No

output

from

one

or

more

channels

No

center

channel

output

Poor

or

smeared

imaging

Indistinct

dialog

Clipping

distortion

Too

little

or

too

much

bass

Uneven

surround

coverage

TROUBLESHOOTING

PROBABLE

CAUSE

M@

Defective

cables

or

amplifier

@

Amplifier

not

turned

on

M@

Center

button

on

remote

not

engaged

@

Poor

room

acoustics

M@

Poor

program

source

Mf

Improper

speaker

polarity

@

Slap

echoes

@

Miscalibration

of

center

channel

M@

Inadequate

power

amplifiers

@

Subwoofer

level

too

high

@

Excessive

room

absorption

M@

Poorly

recorded

program

source

@

Excessively

high

playback

levels

@

Bass

EQ

level

too

high

M@

Misadjusted

subwoofer

level

M@

Severe

room

modes

or

bass

loss

due

to

room

construction

M@

Incorrect

setting

of

Bass

EQ

level

@

Poor

speaker

placement,

strong

reflections

@

Excessive

absorption

near

surrounds

SOLUTION

mM

Check

or

replace

cables

or

fuses

M@

Verify

that

signal

source

is

operating

and

providing

proper

signal

output

to

the

power

amplifiers

Mi

Verify

proper

operation

of

remote

control

M@

Check

amplifier

and

interconnect

cables

@

Verify

proper

operation

of

remote

control

M@

Use

absorption

or

diffusion

materials

on

walls

M@

Check

another

program

source

M@

Source

is

snythesized

stereo

from

mono

source

@

Check

hookup

of

speakers

to

verify

polarity

M@

Add

absorption

or

diffusion

materials

on

floors

and

walls

M@

Check

levels

using

noise

sequencer

and

sound

pressure

level

meter

@

Center

channel

speaker

does

not

match

left/right

speakers

with

respect

to

efficiency,

phasing,

or

frequency

response

m

Use

more

powerful

amplifiers

@

Adjust

subwoofer

output

level

@

Remove

absorptive

materials

selectively

Mf

Try

alternative

program

source

M@

Reduce

playback

levels

M

Reduce

Bass

EQ

level

i

Adjust

subwoofer

output

level

HM

Move

subwoofer(s)

to

improve

performance

@

Re-adjust

Bass

EQ

level

@

Add

absorption

or

diffusion

materials

M@

Remove

absorptive

material

near

surrounds