Harman Kardon AVR20 Owners Manual - Page 5

1

POWER

BUTTON

Press

this

button

to

turn

the

power

on.

Press

again

to

turn

the

power

off.

It

can

also

be

used

as

a

system

power

button,

if

you

connect

the

other

components

to

the

switched

outlets.

NOTE:

In

POWER

OFF

state,

the

STAND

BY

indicator

will

light

up

and

power

is

partially

supplied

to

the

infrared

remote

control

receiver

and

the

memory

circuitry.

2

SPEAKER

SWITCHES

These

switches

allow

you

to

select

various

combinations

of

speakers

as

follows;

■

To

drive

1

pair

of

speakers,

push

only

the

speaker

1

switch

in.

II

To

drive

a

second

pair

of

speakers,

push

only

the

speaker

2

switch

in.

■

To

drive

both

pairs

of

speakers,

push

both

1

and

2

switches

in.

■

To

use

headphones

for

private

listening

or

monitoring,

leave

both

1

and

2

switches

pushed

out.

NOTE:

If

both

speaker

switches

are

pushed

in

and

only

one

set

of

speakers

is

connected

to

the

receiver,

no

sound

will

be

heard.

Front

Panel

Controls

3

HEADPHONE

JACK

Stereo

headphones

can

be

plugged

into

this

jack

for

private

listening.

Headphone

impedance

should

be

between

8

and

2K

ohms.

Best

results

between

200

and

400

ohms.

4

BASS

CONTROL

Modifies

the

low

-frequency

sound

of

the

left

and

right

channels

as

much

as

+/-

10dB.

Set

this

control

at

a

suitable

position

for

your

taste

and

room

acoustics.

5

TREBLE

CONTROL

Modifies

the

high

-frequency

sound

of

the

left

and

right

channels

as

much

as

+/-

10dB.

Set

this

control

at

a

suitable

position

for

your

taste

and

room

acoustics.

6

BALANCE

CONTROL

This

control

is

used

for

balancing

the

relative

sound

volume

of

the

left

and

right

channel

speakers.

Clockwise

rotation

reduces

the

volume

from

the

left

speaker,

counterclockwise

rotation

reduces

the

volume

from

the

right

speaker.

7

SURROUND

MODE

SELECTOR

Press

this

switch

to

select

the

desired

surround

mode.

The

mode

is

changed

as

below,

when

it

is

pressed

in

succession.

r

DOLBY

PRO

LOGIC

.4

DOLBY

3

STEREO

-4

HALL-

OFF

The

mode

indicator,

►

on

the

display

window

indicates

the

selected

mode.

In

the

OFF

mode,

the

indicator

disappears.

-DELAY

TIME

(see

page

16)

8

CENTER

MODE

SELECTOR

This

button

operates

only

in

Dolby

Pro

Logic

and

Dolby

3

Stereo

mode.

The

mode

changes

as

below,

when

the

button

is

pressed

in

succession.

DOLBY

PRO

LOGIC

MODE

r

NORM

-'

WIDE

-->

PHANTOM

DOLBY

3

STEREO

MODE

>

NORM

-->

WIDE

The

display

window

shows

each

mode.

NORM:

Select

this

mode

if

you

use

a

small

center

speaker.,

The

bass

sound

of

the

center

channel

is

reproduced

from

the

front

speakers,

because

the

small

speaker

cannot

produce

enough

bass.

WIDE:

Select

this

mode

if

you

use

a

medium

-to

-large

center

speaker.

The

bass

sound

is

reproduced

from

the

center

speaker.

PHANTOM:

Select

this

mode

if

you

don't

use

a

center

speaker.

The

center

speaker's

sound

is

reproduced

from

the

front

speakers.

9

TEST

TONE

BUTTON

This

button

operates

only

in

Dolby

Pro

Logic

and

Dolby

3

Stereo

mode.

When

the

button

is

pressed,

2

seconds

of

test

tone

is

generated

in

all

channels

(Left,

Center,

Right,

and

Surround)

in

succession.

The

display

window

shows

TEST

L,

C,

R

and

S

in

succession.

The

letter

L,

C,

R

or

S

(in

Dolby

Pro

Logic

mode)

or

L,

C

or

R

(in

Dolby

3

Stereo

mode)

blinks

2

times

in

succession.

Use

this

button

to

test

speaker

connections.

4

Harman Kardon AVR20 Owners Manual - Page 5

Front, Panel, Controls

Page 5 highlights