Kenwood KT-3300D Bedienungsanleitung

Inhaltsverzeichnis

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FM

STEREO

TUNER

KT-3300D

INSTRUCTION

MANUAL

‘Introduction

Your

choice

of

this

product

indicates

that

you

are

a

devotee

to

excellence

in

sound

reproduction.

We

appreciate

your

patronage

and

take

pride

in

the

long

tra-

*

dition

of

quality

components

that

our

company

represents.

So

that

you

can

get

the

most

out

of

your

upit,

we

suggest

that

you

take

the

time

to

read

through

this

manual

before

you

hook

up

and

operate

your

system.

This

will

acquaint

you

with

operating

features,

and

system-connection

consi-

derations,

so

that

your

listening

pleasure

will

be

enhanced

right

from

the

start.

You

will

notice

that

in

all

aspects

of

planning,

engineering,

styling,

operating

convenience

and

adaptability,

we

have

sought

to

anticipate

your

needs

and

desires.

Keep

this

manual

handy

for

future

reference.

Safety

precautions

CAUTION

RISK

OF

ELECTRIC

SHOCK

DO

NOT

OPEN

KENWOOD

KENWOOD

CORPORATION

For

your

records

Record,

the

serial

number,

found

on

the

back

of

the

unit,

in

the

spaces

designated

on

the

warranty

card,

and

in

the

spa-

ce

provided

below.

Refer

to

the

model

and

serial

num-

@bers

whenever

you

call

upon

your

dealer

for

information

or

"

service

on

this

product.

Model

Serial

Number

&

Unpacking

Unpack

the

unit

carefully

and

make

sure

that

all

accessories

and

cables

are

put

aside

so

they

will

not

be

lost.

Examine

the

unit

for

any

possibility

of

shipping

dam-

age.

If

your

unit

is

damaged

or

fails

to

operate,

notify

your

dealer

immediately.

If

your

unit

was

shipped

to

you

directly,

notify

the

shipping

company

without

delay.

Only

the

con-

signee

(the

person

or

company

receiving

the

unit)

can

file

a

claim

against

the

carrier

for

shipping

damage.

We

recommend

that

you

retain

the

original

carton

and

pack-

ing

materials

for

use

should

you

transport

or

ship

the

unit

in

the

future.

WARNING:

TO

PREVENT

FIRE

OR

ELECTRIC

SHOCK,

DO

NOT

EXPOSE

THIS

APPLIANCE

TO

RAIN

OR

MOISTURE.

CAUTION:

TO

REDUCE

THE

RISK

OF

ELECTRIC

SHOCK,

DO

NOT

REMOVE

COVER

(OR

BACK).

NO

USER-SERVICEABLE

PARTS

INSIDE.

REFER

SERVICING

TO

QUALI-

FIED

SERVICE

PERSONNEL.

The

lightning

flash

with

arrowhead

symbol,

within

an

equilateral

triangle,

is

intended

to

alert

the

user

to

the

presence

of

uninsulated

“dangerous

voltage”

within

the

product's

persons.

enclosure;

that

may

be

of

sufficient

magnitude

to

constitute

a

risk

of

electric

shock

to

The

exclamation

point

within

an

equilateral

triangle

is

intended

to

alert

the

user

to

the

presence

of

important

operating

and

maintenance

(servicing)

instructions

in

the

litera-

ture

accompanying

the

appliance.

Before

applying

power

Important!

All

other

countries

U.S.A.

and

Europe

Units

shipped

to

the

U.S.A.

are

designed

for

operation

on

120

volts

AC

only.

Units

shipped

to

Europe

are

de-

signed

for

operation

on

220

volts

AC

only.

These

u-

nits

are

not

equipped

with

an

AC

voltage

selector

switch

and

the

discussion

of

such

a

switch

that

fol-

lows

should

be

disregarded.

AC

voltage

selection

This

unit

operates

on

120

volts

or

220

—

240

volts

AC.

The

AC

voltage

selector

switch

on

the

rear

panel

is

set

to

the

voltage

that

prevails

in

the

area

to

which

the

unit

is

shipped.

Before

connecting

the

power

cord

to

your

AC

outlet,

make

sure

that

the

setting

position

of

this

switch

matches

your

line

voltage.

If

not,

it

must

be

set

to

your

voltage

in

accor-

dance

with

the

following

direction.

Note:—_—______________________—_

Our

warranty

does

not

cover

damage

caused

by

excessive

line

vol-

tage

due

to

improper

setting

of

the

AC

voltage

selector

switch.

.

120V~

220V-240V

~

Setting

Setting

1-1

1-2

Fig.

1

AC

voltage

selector

1.

Before

plugging

in

this

unit,

make

sure

that

the

position

of

the

AC

voltage

selector

conforms

to

your

line

(mains)

voltage.

If

not,

it

must

be

reset.

See

Fig.

1-1.

;

2.

To

reset

the

selector,

slide

the

stopper

plate

to

the

oppo-

site

side

with

a

screwdriver

or

other

pointed

tool.

See

Fig.

1-2.

3.

Insert

the

power

cord

securely.

See

Fig.

1-3.

2

KT-3300D

(M)

Units

shipped

to

countries

other

than

the

U.S.A.

and

Eu-

rope

are

equipped

with

an

AC

voltage

selector

switch

on

the

rear

panel.

Refer

to

the

following

paragraph

for

the

proper

setting

of

this

switch.

Before

operation

Notes

on

installation

Do

not

place

the

unit

in

a

place

which

is

exposed

to

direct

sunlight,

near

a

heating

appliance,

etc.

oO

/

Ss

ey

rag

Do

not

place

a

vase

containing

water,

makeup,

etc.

on

the

unit.

Do

not

use

in

a

humid

place.

Choose

a

location

that

is

relatively

free

from

vibration

or

ex-

cessive

dust.

Safety

precautions

Never

remove

the

case.

If

the

internal

parts

are

touched,

ac-

cidentally,

a

serious

electric

shock

might

occur.

yy

Never

touch

internal

parts.

Touching

the

power

plug

when

your

hands

are

wet

may

re-

sult

in

a

serious

electric

shock.

“

Wo

AF

Never

touch

with

wet

hands.

b

.

%

6

5

Never

pull,

bend

or

extend

the

power

cord.

This

could

da-

mage

the

power

cord,

resulting

in

a

broken

cord

or

short-

circuit.

“Always

grasp

the

plug.

Cleaning

Do

not

use

volatile

solvents

such

as

alcohol,

paint

thinner,

gasoline,

benzine,

etc.

to

clean

the

cabinet.

Use

a

silicone

cloth

or

a

clean

dry

cloth.

C

e

‘=

Silicone

cloth

Thinner

Benzine

KT-3300D

(M)

3

System

connections

FM

indoor

antenna

Supplied

75.2/3002

—

antenna

adapter

FM

outdoor

antenna

752

coaxial

cable

KT-3300D

Left

speaker

Integrated

amplifier

©

©

Fig.

2

System

connections

diagram

Output

Signals

from

the

output

jacks

are

fed

to

the

amplifier.

Connection

cables

should

be

plugged

to

the

amplifier

TUN-

ER

or

AUX

jacks.

Shielded

cables

terminated

at

both

ends

with

standard

phono

plugs

are

supplied

with

this

tuner.

Note:

Two

types

of

OUTPUT

jacks

are

provided

with

this

unit:

VARIABLE

OUTPUT

jacks

whose

level

can

be

adjusted

with

the

OUTPUT

LE-

VEL

control

on

the

front

panel

and

FIXED

OUTPUT

jacks

whose

le-

vel

cannot

be

adjusted.

Normally

connect

the

VARIABLE

jacks

to

an

amplifier.

Power

cord

A

low

power

is

supplied

to

the

memory

to

retain

the

memory

contents

when

the

POWER

switch

is

set

to

OFF.

FM

indoor

antenna

Connect

the

T-shaped

indoor

antenna

(supplied)

to

the

752

FM

ANTENNA

terminals

as

shown

in

System

connections

diagram.

Spread

the

two

arms

that

form

the

top

of

the

“T”

horizontally

and

hold

them

against

convenient

wall

sur-

faces.

Try

several

locations

for

best

results

on

your

desired

stations.

Tape

the

antenna

in

place

where

the

best

compro-

mise

is

found

between

listening

results

and

appearance.

4

kT-3300D

(M)

Sod.

6

Onl

lo]

Right

speaker

©

oxswireneo,

FM

outdoor

antenna

Consult

with

your

dealer

or

service

man

about

the

best

method

of

selecting

and

erecting

FM

outdoor

antenna.

The

choice

of

lead-in

(feeder)

wire

is

also

important.

The-flat

ribbon-shaped

twin

lead

performs

well

electrically,

is

cheap-

er

and

is

somewhat

easier

to

handle

in

routing

through

win-

dows

and

around

rooms.

Though

coaxial

cable

is

more

ex-

pensive,

does

a

much

better

job

of

minimizing

interference,

is

less

prone

to

the

effects

of

weather

and

close-by

metal

objects,

and

is

nearly

as

good

a

signal

conductor

as

the

rib-

bon

type

wire.

The

latter

is

particularly

true

of

foam-type

coaxial

cables.

Coaxial

cable

is

somewhat

more

difficult

to

install

at

the

point

where

the

cable

enters

the

building.

If

coaxial

cable

is

selected,

make

sure

the

antenna

is

designed

to

drive

that

type

of

cable.

752

coaxial

cable

connection

After

stripping

the

end

of

your

coaxial

cable,

RG-6

or

RG-59

mount

the

supplied

75.2/3002

FM

antenna

adapter

on

the

cable

as

shown.

Then

insert

the

plug

into

the

752

ANTENNA

terminal

on

the

rear

panel

as

shown

in

System

connections

diagram.

3002

ribbon

type

cable

connection

Although

the

unit

is

designed

exclusively

for

use

with

752

coaxial

cable,

it

can

also

accept

a

3002

indoor

antenna

or

300Q

ribbon-type

lead-in

cable

by

using

the

supplied

752/300Q

antenna

adapter.

Strip

the

plastic

insulation

from

the

wire

ends

for

about

10

mm

(3/8

inch).

Connect

the

wires

to

the

terminals

on

the

adapter,

then

insert

it

into

the

752

ANTENNA

terminal

on

the

rear

panel

(see

System

connections

diagram).

if

you

connect

a

300

feeder

cable,

you

need

not

detach

the

collar

in

the

752/300

antenna

adapter.

if

the

collar

is

detached,

the

sensitivity

will

decrease.

Note:

A

FM

outdoor

antenna

can

be

connected

to

the

tuner

with

either

a

752

coaxial

cable

or

3002

ribbon

feeder.

For

proper

connection,

carefully

read

the

instruction

manual

for

the

FM

outdoor

antenna.

FM

DE-EMPHASIS

switch

(rear

panel)

(Except

some

areas)

;

This

switch

has

been

set

to

the

correct

position

for

a

given

market

area.

However,

check

to

see

that

this

switch

is

set

correctly

before

operating

your

tuner.

An

incorrect

setting

will

adversely

affect

high-frequency

performance.

Europe,

Oceania

and

South

Africa

.......

cece:

50

us

Other

COUNTS.

........cccccecceeeeseseeeeseceseeeeeeraneeeeereetnns

75

us

Press

the

claws

in

the

direc-

tion

of

the

arrows

with

the

fingers

to

release

the

lock

and

pull

out

the

cover.

.

75.2/3002

antenna

adapter

(supplied)

Fig.

3

How

to

open

the

752/300

antenna

adapter

4.

Arrange

the

coaxial

cable

as

illustrated.

Outer

shield

Outer

shield

(braid)

Inner

(braid)

inner

ey

oF

Conductor

EE

Conductor

nee

——

aaa

RG-6

=e.

oe

se

5

uf

a

mm

imm

mm

(oe-e¥)

ba

Gey)

“[e

13

2.

Connect

the

processed

coaxial

cable

to

75/3002

antenna

adapter

as

shown

below.

In

the

case

of

RG-6,

insert

and

wind

the

inner

conductor

around

the

slit.

In

the

case

of

RG-59,

further

insert

and

wind

the

inner

conductor

around

the

slit.

Detach

the

collar

in

the

antenna

adapter.

Wind

the

inner

conductor

here

Outer

shield

(braid)

More

than

.2

meters

Noise

reduced

if

the

>

antenna

is

installed

in

a

higher

position

or

on

the

opposite

side

of

the

building.

More

than

1

4

meters

Fig.

5

FM

outdoor

antenna

setting

KT-33000

(M)

5

Controls

and

indicators

KENWOOD

POWER

SYNTHESIZER

FM

TUNER|

KT-

33000

0N

DOFF

Qprocram

QUIETING

CONTRO

fee

o

o8-

PRESET

FUNCTION]

DISTANCE

Jrverlsiartsetuad

en

brip

ue

NORMAL,

———————

7

@

POWER

switch

Press

this

switch

to

supply

power.

Press

the

switch

again

to

turn

the

power

off.

@

PROGRAM

switch

This

switch

function

for

Program

operations.

Each

time

the

switch

is

pressed,

the

function

is

turned

ON

and

OFF

al-

ternately.

©

Output

level

control

(QUTPUT

LEVEL)

This

contro!

adjusts

the

level

of

the

OUTPUT

level

from

the

output

terminals

on

the

rear

panel.

When

set

to

MIN.

the

le-

vel

is

lowest

and

when

set

to

MAX.

the

level

is

highest.

It

is

used

to

match

the

level

of

the

FM

output

signal

to

the

levels

of

the

signals

from

other

source

components

(turntable,

cas-

sette

deck,

etc.)

when

the

tuner

is

used

together

with

an

am-

plifier.

@

PRESET

STATION

(A/B)

switches

Two

(A/B)

FM

stations

can

be

stored

in

each

PRESET

STA-

TION

switch.

When

the

switch

is

pressed,

the

PRESET

STA-

TION

indici

tor

lights

and

the

stored

frequency

is

displayed

in

the

frequency

display.

@

MEMORY

switch

When

this

switch

is

pressed,

the

MEMORY

indicator

lights

and

the

unit

stands

by

for

preset

station

memory.

@

Preset

function

switches

Select

the

preset

station.

group

between

A

(8

stations)

and

B

(8

stations)

with

this

switch.

@

REC

CAL

switch

Use

this

switch

to

adjust

the

recording

level

of

the

tape

deck

for

FM

broadcast

recording.

When

this

switch

is

set

to

ON,

the

REC

CAL

indicator

lights

and

a

signal

of

about

400

Hz

(equivalent

to

50%

FM

modulation,

100%

=

75

kHz

dev.)

is

output

at

the

OUTPUT

jacks

on

the

rear

panel.

With

this

sig-

nal,

adjust

the

VU

meter

reading

of

the

tape

deck

to

-6

dB

or

50%.

After

setting

the

level,

be

sure

to

set

the

switch

to

OFF.

6

_

KT-3300D

(M)

Fig.

6

@

MODULATION

switches

Press

ON

switch

to

display

the

modulation

level.

The

MODULATION

indicator

lights.

Press

OFF

switch

to

disap-

pear

the

modulation

level.

The

indicator

goes

off.

©

IF

BAND

switches

Use

these

switches

to

select

the

pass

band

of

the

interme-

diate

frequency

between

WIDE

and

NARROW.

WIDE:

Set

to

this

position

for

normal

reception.

High

qua-

lity

sound

without

distortion

can

be

received.

NARROW:

If

the

desired

station

is

disturbed

by

a

nearby

.

station,

set

the

switch

to

this

position.

Selectivity

is

im-

proved,

resulting

in

interference-free

reception.

@

RF

SELECTOR

switches

Along

with

the

increase

of

stations,

the

RF

intermodulation

or

intermodulation

noise

becomes

serious.

To

prevent

this,

the

RF

SELECTOR

switch

is

provided.

It

is

recommended

to

use

these

switches

together

with

the

IF

BAND

switch

for

the

best

reception

according

to

the

receiving

condition.

DIRECT:

When

this

switch

is

pressed,

the

RF

intermodula-

tion

or

intermodulation

noise

will

be

reduced

and

the

best

quality

sound

is

obtained.

In

a

strong-signa!

area,

set

to

this

position

for

greater

sound

quality.

DISTANCE:

When

a

distant

station

is

required,

set

to

this

position.

The

receiving

ability

is

improved

so

that

the

weak-signal

station

can

be

received

with

lower

noise.

@

TUNING

MODE

switch

Each

time

this

switch

is

pressed,

the

AUTO

indicator

lights

and

goes

off.

AUTO

indicator

ON:

For

automatic

tuning

AUTO

indicator

OFF:

For

manuai

tuning

@

TUNING

LOCK

switch

Use

to

lock

the

frequency

being

received.

When

this

switch

is

set

to

ON,

the

received

frequency

does

not

change

even

when

the

TUNING

knob

is

turned.

@

ANTENNA

switch

This

switch

changes

the

antenna

terminals

A

or

B

on

the

rear

panel.

@

TUNING

knob

FM

stations

are

selected

by

turning

this

knob.

In

AUTO

tun-

-

ing

mode,

turn

the

knob

slightly

clockwise

to

scan

the

higher

frequencies.

Turn

the

knob

slightly

counterclockwise

to

scan

the

lower

frequencies.

In

MANUAL

tuning

mode,

turn

the

knob

while

observing

the

TUNING

SIGNAL

indicator.

@®

TUNING

LOCK

indicator

This

indicator

lights

when

the

TUNING

LOCK

switch

is

set

to

ON.

@

TUNING

MODE

AUTO

indicator

This

indicator

lights

when

the

TUNING

MODE

switch

is

set

to

AUTO.

During

AUTO

tuning,

this

indicator

go

on

and

off

with

changing

of

the

frequency

display.

@

UP/DOWN

indicator

UP

indicator

lights

when

turn

the

TUNING

knob

clockwise,

and

turn

the

knob

counterclockwise

DOWN

indicator

lights.

@

MEMORY/PRESET

STATION

indicators

When

the

MEMORY

switch

is

pressed,

the

MEMORY

indi-

cator

lights.

When

the

PRESET

STATION

button

is

pressed,

the

triangle

mark

above

the

corresponding

number

of

the

PRESET

STATION

indicator

lights.

@®

Frequency

display

This

display

shows

the

received

FM

frequency

digitally.

In

MANUAL

TUNING

mode,

turn

the

TUNING

knob

while

ob-

serving

this

display.

@

IF

band

indicators

WIDE:

Lights

when

the

IF

BAND

switch

is

set

to

the

WIDE

position.

NARROW:

Lights

when

the

IF

BAND

switch

is

set

to

the

NARROW

position.

@)

RF

selector

indicators

DIRECT:

Lights

when

the

RF

selector

DIRECT

switch

is

pressed.

DISTANCE:

Lights

when

the

RF

selector

DISTANCE

switch

is

pressed.

@

Operation

indicators

STEREO:

Lights

when

a

stereo

FM

station

is

received.

REC

CAL:

Lights

when

the

REC

CAL

switch

is

set

to

ON.

MUTING:

Lights

when

the

tuning

knob

or

function

switch

are

operated.

@®

TUNING

SIGNAL

indicators

These

indicators

consist

of

the

signal

indicators

in

vertical

direction

and

tuning

indicators

in

horizontal

direction,

provid-

ing

visual

display

of

both

signal

and

tuning

conditions.

When

approaching

the

tuning

point,

the

tuning

indicator

illu-

mination

increases

from

the

end

and

the

signal

indicator

illu-

mination

increases.

When

the

station

is

precisely

tuned,

the

signal

strength

is

indicated

at

the

center.

When

the

station

is

detuned,

these

indicators

operate

in

the

reverse

order.

Note:

if

the

signal

strength

is

weak

or

the

IF

BAND

switch

is

set

to

NAR-

ROW,

the

indications

at

both

ends

are

less

than

4

or

the

indication

becomes

asymmetrical.

@

MODULATION

indicators

These

indicators

display

the

modulation

condition.

The

value

exceeding

point

7

is

maintained.

Note:

This

indicator

is

not

lit

when

manually

tuning

a

station

with

a

weak-

signal.

@

Preset

function

indicators

A

or

B

indicator

lights

depending

on

the

setting

of

the

preset

function

switch.

@

QUIETING

CONTROL

knob

To

improve

the

signal-to-noise

ratio

in

stereo

broadcast

re-

ception,

this

control

allows

the

amount

of

blending

between

L

and

R

channels

to

be

controlled.

When

receiving

a

noisy

station

such

as

distant

stations,

set

to

DISTANCE.

The

S/N

ratio

of

the

station

will

be

improved.

(With

this

knob

set

at

the

left

end,

the

receiving

condition

will

be

MONO.)

Normally

set

to

NORMAL

position.

@

Program

indicator

This

indicator

lights

when

the

PROGRAM

switch

is

pressed

ON.

KT-3300D

(M)

7

Operating

instructions

@

Auto

tuning

reception

1.

2.

Set

the

input

selector

of

the

amplifier

to

TUNER.

Press

the

POWER

switch.

The

FREQUENCY

DISPLAY

lights

and

the

frequency

of

the

last

station*

is

displayed.

.

Set

the

TUNING

MODE

switch

so

that

the

AUTO

indica-

tor

lights.

.

To

tune

in

the

higher

frequency

station,

turn

the

TUNING

knob

slightly

clockwise.

To

tune

in

the

lower

frequency

station,

turn

the

TUNING

knob

slightly

counterclockwise.

The

stations

are

automatically

scanned

and

scanning

stops

at

the

marginal

station.

The

TUNING

SIGNAL

indi-

cators

illuminate

according

to

the

signal

strength

and

the

tuned

station

can

be

heard.

°

.

Adjust

the

volume

and

tone

of

your

amplifier.

*Last

station

As

the

memory

of

this unit

is

backed

up,

the

frequency

received

before

the

power

is

turned

off

is

memorized.

This

is

referred

to

as

the

last

station

frequency.

When

the

power

is

turned

on

again,

the

unit

tunes

in

the

last

station

frequency.

IF

BAND

switch

To

receive

a

weak

FM

station,

set

the

IF

BAND

switch

to

N

AARROW.

@

Manual

tuning

U

ay

2.

3.

N=

w

se

manual

tuning

mode

to

receive

a

weak

signal

station.

Perform

procedures

1

and

2

above.

Set

the

TUNING

MODE

switch

so

that

the

AUTO

indica-

tor

goes

off.

Turn

the

TUNING

knob

while

observing

the

frequency

dis-

play

to

tune

in

the

desired

station.

.

Adjust

the

volume

and

tone

of

your.amplifier.

Preset

tuning

.

Receive

a

station.

.

Press

the

MEMORY

switch.

The

MEMORY

indicator

lights

for

about

13

seconds.

.

While

the

MEMORY

indicator

lits,

press

one

of

the

PRE-

SET

STATION

switches.

The

MEMORY

indicator

goes

off

and

the

station

being

re-

ceived

is

stored

in

the

pressed

PRESET

STATION

switch.

Perform

the

same

procedures

on

other

PRESET

STATION

switches.

To

receive

the

preset

station,

press

the

corresponding

PRE-

S

ET

STATION

switch.

8

KT-3300D

(m)

@

Program

reception

This

feature

enables

you

to

perform

unattended

recording

of

3

different

stations.

The

program

function

of

this

unit

functions

as

follows.

@

When

the

last

station

is

at

A

side

He

Last

station

(Aside)

!

Preset

station

F~

Preset

station

7

ee

i

J

CH-8

(A

side)

|

_CH-8

(Bside)_|

Received

repeatediy

@

When

the

last

station

is

at

B

side

—

Notes:

1

(ghar

ie

ore

Parieatae

|

r

4

Last

station

,

;

Preset

station

:

H

!

=|

oe

J

eee

CH-8

(B

side)

1

_

CH-8

(Aside)

|

Received

repeatedly

E>

Ce

OGL

Ease]

.

Set

the

audio

timer

so

that

power

is

supplied

to

the

tuner.

.

Press

the

POWER

switch.

.

Set

the

PROGRAM

switch

to

OFF.

(Confirm

that

the

PROGRAM

indicator

is

not

lit.)

_

When

the

station

to

be

received

first

is

in

A

side,

preset

the

station

to

be

received

second

in

CH-8

of

A

side.....

(A)

When

the

station

to

be

received

first

is

in

B

side,

preset

the

station

to

be

received

second

in

CH-8

of

B

side.....

(B)

.

In

case

of

(A),

preset

the

station

to

be

received

third

in

CH-8

of

B

side.

In:

case

of

(B),

preset

the

station

to

be

received

third

in

CH-8

of

A

side.

5;

.

Tune

to

the

station

to

be

received

first,

taking

care

for

the

side

of

the

preset

station.

.

Set

the

PROGRAM

switch

to

ON.

The

PROGRAM

indica-

tor

lights.

.

Set

the

audio

timer

so

that

power

is

supplied

to

the

tuner

three

times.

.

When

the

power

is

supplied

first,

the

station

received

in

step

6

is

received.

When

the

power

is

supplied

second

time,

the

station

preset

in

step

4

is

received.

When

the

power

is

supplied

third

time,

the

station

preset

in

step

5

is

received.

After

this,

the

stations

in

CH-8

of

A

and

B

sides

are

received

alternately.

When

the

program

reception

is

not

carried

out,

be

sure

to

set

the

PROGRAM

switch

to

OFF

(the

PROGRAM

indicator

is

not

lit).

If

the

PROGRAM

switch

is

set

to

ON,

the

stations

stored

in

preset

station

CH-8

switches

are

received

each

time

the

power

is

supplied.

;

.

To

carry

out

program

reception,

supply

power

for

more

than

30

minutes

to

charge

the

memory

back-up

capacitor.

The

stored

station

is

maintained

for

about

7

days.

When

the

unit

is

not

used

for

a

long

time

and

power

is

supplied,

the

frequency

dis-

play

sometimes

displays

the

wrong

frequency.

This

is

not

a

mal-

function

and

correct

operation

is

resumed

by

tuning

to

a

station.

m@

Multipath

reception

Multipath

reflections

result

from

the

nature

of

radio

waves

in

the

FM

band.

They

travel

in

straight

lines

and

are

reflected

from

hills,

large

meta!

structures

and

the

like.

When

a

signal

is

received

after

bouncing

off

a

building,

it

arrives

at

the

an-

tenna

later

than

the

signal

that

came

by

a

direct

route.

The

addition

of

the

direct

and

reflected

signals

produces

com-

plex

variations

in

amplitude

and

phase

throughout

the

broadcasting

signal.

The

result

can

be

audible

distortion

even

though

signal

strength

is

high

and

tuning

is

correct.

If

audible

distortion

occurs

on

a

particular

channel

even

though

the

SIGNAL

and

TUNING

meters

indicate

proper

re-

ception

conditions,

the

cause

may

be

multipath

reception.

To

correct

this

condition

a

directional

outdoor

antenna

should

be

installed

following

the

suggestion

given

earlier

in

this

manual.

To

adjust

the

antenna,

proceed

as

follows:

Adjustment

using

an

oscilloscope

1.

Connect

the

and

FM

MULTIPATH

jacks

to

the

vertical

and

horizontal

inputs,

respectively,

or

the

scope.

2.

Tune

in

the

affected

station.

3,

Loosen

the

antenna

mounts

and

have

someone

orient

the

antenna

for

minimum

vertical

response

as

shown

in

Fig.

9

(b).

If

multipath

distortion

cannot

be

corrected

by

this

means,

it

might

be

necessary

to

use

a

more

directional

antenna,

change

antenna

height

or

move

the

antenna

mounts

to

an-

other

location

on

the

building.

Adjustment

using

an

amplifier

1.

Connect

the

FM

MULTIPATH

jack

to

either

left

or

right

AUX

jacks

of

the

amplifier

and

set

the

amplifier

in-

put

selector

switch

to

AUX.

2.

lf

a

DC

amplifier

is

used,

it

is

advisable

to

use

the

ampli-

fieras

an

AC

amplifier.

For

example,

with

a

Kenwood

DC

amplifier,

set

the

DC

COUPLED

switch

to

OFF

or

SUB-

SONIC

FILTER

switch

to

ON.

3.

Tune

in

the

affected

station.

If

the

distorted

sound

oc-

curs

from

the

connected

speaker,

the

cause

may

be

mul-

tipath.

4.

Loosen

the

antenna

mounts

and

have

someone

orient

the

antenna

for

minimum

distorted

sound.

Broadcast

transmitting

station

Fig.

7

Direct

signal

and

reflected

signal

KT-3300D

Rear

panel

a

Oscilloscope

Fig.

8

Oscilloscope

connection

(a)

Undesirable

(b)

Desirable

waveform

Fig.9

Multipath

waveform

KT-3300D

(M)

9

In

case

of

difficulty

lf

your

tuner

should

not

perform

as

expected,

consult

the

table

below

to

see

if

the

problem

can

be

corrected

before

seeking

help

from

your

dealer

or

service

representative.

Possible

cause

General

Remedy

No

sound

@

Antenna

is

not

connected.

@

The

pin-cord

is

not

connected

to

ampli-

fier

correctly.

@

Not

received

bradcast.

The

connection

of

the

antenna

terminals

is

loose

or

the

direction

or

the

positioning

of

the

antenna

is

unsatisfactory.

QUIETING

CONTROL

knob

is

set

to

DIS-

TANCE

side

(left

side).

The

stereo

indicator

blinks.

Signal

separation

is

bad

even

when

the

ster-

eo

broadcast

is

received

with

the

stereo

in-

dicator

lit.

@

Connect

the

FM

outdoor

antenna

or

FM

T-shaped

indoor

antenna.

@

Connect

the

pin-cord

to

an

amplifier

cor-

rectly.

°

@

Adjust

to

the

correct

frequency

accur-

ately.

Connect

the

antenna

terminals

securely

and

check

the

direction

or

the

position-

ing

of

the

antenna.

Set

to

NORMAL

(right

side).

Possible

cause

Occurs

during

FM

reception

only

Hiss

that

gets

worse

in

stereo

reception.

Very

weak

antenna

input

signal.

Consider

an

outdoor

antenna

installation.

In

areas

remote

from

the

transmitter

a

5

to

8

element

antenna

designed

exclusively

for

FM

is

suggested.

Automobile

ignition

noise,

especially

evident

when

receiving

weak

signals.

Rhythmic

static

or

popping

noises.

_|

Review

antenna

installation.

Site

the

anten-

na

as

far

from

the

street

as

possible

and

use

coaxial

cable.

The

stereo

indicator

does

not

light

during

FM

stereo

reception.

er

sets

itself

monaural

mode.’

10

KT-3300D

(M)

The

signal

is

extremly

weak

so

that

the

tun-

Install

the

outdoor

FM

antenna

and

receive

the

signal

enoughly.