Optimus CD-3520 Manuel utilisateur

Cat. No. 42-5065

OWNER’S MANUAL

Please read before using this equipment.

CD-3520

Portable Compact Disc Player

42-5065.fm Page 1 Thursday, August 12, 1999 9:47 AM

FEATURES

Your Optimus CD-3520 Portable

Compact Disc Player uses the latest

digital audio technology to give you

the clean, crisp sound of compact

discs. You can connect the CD player

to your home audio or car stereo sys-

tem or connect a pair of stereo ear-

phones for portable, private listening.

The CD player’s features include:

1-Bit DAC — uses the latest in digital-

to-analog conversion circuitry to accu-

rately reproduce all sound levels with

virtually no distortion.

Built-In Batter

Char

er — recharg-

es the batteries inside the player when

you use rechargeable nickel-cadmium

battery packs.

Automatic Search Music S

stem

(ASMS) — lets you quickly locate and

play any track on a CD.

Audible Search — helps you locate a

particular section of a track by rapidly

playing the CD in either direction.

Pro

rammable Pla

— lets you pro-

gram and play up to 24 tracks in any

sequence you choose.

Repeat Pla

— lets you automatically

repeat a single track, an entire CD, or

a programmed sequence.

Random Pla

— lets you play the

tracks on a CD in random order.

Pause/Cue — lets you temporarily

stop play, or cue a track for play at a

later time.

Intro Scan — helps you locate a de-

sired track by automatically playing

the first 10 seconds of each track on

the CD.

Extended Bass S

stem — creates a

fuller bass sound.

Auto Power On/Off — automatically

turns on the CD player when you

press PLAY/PAUSE and turns it off

when you press STOP or when it fin-

ishes playing all the tracks.

Hold — prevents accidentally chang-

ing the CD player’s control settings

and preserves battery life by locking

all controls (except OPEN) when you

turn off the CD player.

Three Power Sources — let you

power your CD player from four AA

batteries or two rechargeable nickel-

cadmium battery packs, standard AC

power (with an optional AC adapter),

or your vehicle’s battery (with an op-

tional DC adapter).

5- or 3-Inch CD Compatible

Optimus is a registered trademark used by Tandy Corporation.

RadioShack is a trademark used by Tandy Corporation.

42-5065.fm Page 2 Thursday, August 12, 1999 9:47 AM

Important: You need a pair of stereo

earphones or amplified speakers or a

home audio or car stereo system to

use your CD-3520. Your local Ra-

dioShack store carries a complete line

of earphones, speakers, and audio

systems.

The CD player’s advanced technology

makes it simple to operate. But, be

sure you read this Owner’s Manual

completely so you can take advantage

of all its advanced features.

We recommend you record the CD

player’s serial number here. The num-

ber is on the back panel.

Serial Number __________________

CDs that can be played on this player

have this mark on them:

42-5065.fm Page 3 Thursday, August 12, 1999 9:47 AM

CONTENTS

Choosin

a Power Source .................................................................................. 5

Using Batteries ................................................................................................ 5

Installing Batteries ..................................................................................... 5

Charging Nickel-Cadmium Battery Packs ................................................. 6

Charging Tips ............................................................................................ 6

Using AC Power .............................................................................................. 7

Using Vehicle Battery Power ........................................................................... 8

Connections ......................................................................................................... 9

Connecting Earphones .................................................................................... 9

Listening Safely ......................................................................................... 9

Traffic Safety ............................................................................................. 9

Connecting Amplified Speakers .................................................................... 10

Connecting to a Home Audio System ............................................................ 10

Connecting to an Auto Sound System ........................................................... 10

Operation ............................................................................................................ 12

Playing a CD .................................................................................................. 12

Locking the Controls ...................................................................................... 13

Audible Search .............................................................................................. 13

Automatic Search Music System (ASMS) ..................................................... 14

Pause and Cue .............................................................................................. 14

Intro Scan ...................................................................................................... 14

Repeat Play ................................................................................................... 15

Random Play ................................................................................................. 15

Programmed Play .......................................................................................... 15

Troubleshootin

................................................................................................. 17

Care and Maintenance ....................................................................................... 18

CD Care Tips ................................................................................................. 19

FCC Information ............................................................................................ 19

Laser Safety .................................................................................................. 19

Specifications ..................................................................................................... 20

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CHOOSING A POWER SOURCE

You can power your CD player from:

• Four AA alkaline batteries or two

rechargeable nickel-cadmium bat-

tery packs (none supplied)

• Standard AC power, using an AC

adapter (not supplied)

• A vehicle’s battery power, using a

DC adapter (not supplied)

USING BATTERIES

You can power your CD player from

four AA alkaline batteries (such as Ra-

dioShack Cat. No. 23-552) or two re-

chargeable nickel-cadmium battery

packs (Cat. No. RSU 11377181, avail-

able through your local RadioShack

store). The CD player can recharge

the nickel-cadmium battery packs

while they are in the CD player.

Installing Batteries

1. Slide the battery compartment

cover in the direction of the arrow,

then lift it open.

2. Place four AA batteries or two

rechargeable nickel-cadmium bat-

tery packs in the compartment as

indicated by the polarity symbols

(+ and –) marked on the bottom of

the CD player.

Cautions:

• Use only batteries of the

required size and type.

• Never mix fresh and old batter-

ies, alkaline and nickel-

cadmium battery packs, or

nickel-cadmium batteries of dif-

ferent capacities.

• If you do not plan to use the CD

player for a month or more,

remove and store the batteries.

3. Close the battery compartment

cover.

Replace or recharge the batteries

when flashes on the display, the

sound distorts, or the volume weak-

ens.

Cautions:

• Always dispose of old batteries

promptly and properly.

• Never heat, disassemble, or throw

batteries into a fire.

• Never leave dead, old, or weak

batteries in the CD player. Batter-

ies can leak chemicals that cor-

rode or damage electronic

circuits.

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Charging Nickel-Cadmium

Battery Packs

Nickel-cadmium battery packs come

fully discharged. You can charge the

special-order batteries while they are

in the battery compartment using an

AC adapter (such as Cat. No. 273-

1664, not supplied) or DC adapter

(such as Cat. No. 273-1801, not sup-

plied).

Warnin

:Do not try to charge non-

rechargeable batteries. The batteries

can become very hot and possibly ex-

plode.

Follow these steps to recharge nickel-

cadmium battery packs while they are

in the battery compartment.

1. Connect an AC or DC adapter.

See “Using AC Power” on Page 7

or “Using Vehicle Battery Power”

on Page 8.

Notes:

• It takes about 15 hours to

charge fully discharged nickel-

cadmium batteries.

• You can play a CD while

recharging the batteries; how-

ever, this could cause the bat-

teries to recharge more slowly.

2. When the nickel-cadmium battery

packs fully charge, unplug the

adapter from the AC outlet or cig-

arette lighter socket, then discon-

nect the adapter from the CD

player.

Charging Tips

• Always keep the charging termi-

nals clean. Use a cotton swab

dipped in alcohol to clean the ter-

minals.

• Under normal usage conditions,

the nickel-cadmium battery packs

can be recharged about 500

times.

• Fully discharge the battery packs

occasionally by playing the CD

player until it no longer plays.

Then fully recharge the battery

packs. This helps restore the bat-

tery packs’ full charging capacity.

• Avoid charging the batteries in a

hot environment (more than

113°F) as this can permanently

reduce the battery packs’ charg-

ing capacity.

• Do not overcharge the battery

packs. Overcharging can severely

reduce the battery packs’ useful

life.

• Do not short-circuit the battery

packs’ terminals (+ and –).

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Important: This portable CD player is

capable of using rechargeable nickel-

cadmium battery packs. At the end of

the battery packs’ useful life, they

must be recycled or disposed of prop-

erly. Contact your local, county, or

state hazardous waste management

authorities for information on recycling

or disposal programs in your area.

Some options that might be available

are: municipal curb-side collection,

drop-off boxes at retailers, recycling

collection centers, and mail-back pro-

grams.

USING AC POWER

You can power the CD player from a

standard AC outlet using an AC

adapter, such as Cat. No. 273-1664

(not supplied).

Cautions:

• You must use an AC adapter that

supplies 6 volts and delivers at

least 550 milliamps. Its center tip

must be set to positive, and its

plug must correctly fit the CD

player’s

DC IN 6V jack. The recom-

mended adapter meets these

specifications. Using an adapter

that does not meet these specifi-

cations could damage the CD

player or the adapter.

• When you finish using the AC

adapter, disconnect it from the AC

outlet first, then unplug it from the

CD player.

Follow these steps to use an AC

adapter.

1. Attach the 4.0 mm outer diameter/

1.7 mm inner diameter barrel plug

to the adapter cord, matching the

positive (+) on the plug with TIP

on the cord.

2. Set the adapter’s voltage switch to

6V.

3. Insert the adapter’s barrel plug

into the CD player’s DC IN 6V jack.

Note: Battery power disconnects

when you connect an AC adapter

to the CD player (unless you are

using nickel-cadmium battery

packs).

4. Plug the other end of the adapter

into a standard AC outlet.

DC IN 6V

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USING VEHICLE

BATTERY POWER

You can power your CD player from

your vehicle’s battery using a DC

adapter, such as Cat. No. 273-1801

(not supplied).

Cautions:

• You must use a DC adapter that

supplies 6 volts and delivers at

least 550 milliamps. Its center tip

must be set to positive, and its

plug must correctly fit the CD

player’s

DC IN 6V jack. The recom-

mended adapter meets these

specifications. Using an adapter

that does not meet these specifi-

cations can damage the CD

player or the adapter.

• Disconnect the adapter from the

cigarette-lighter socket when you

are not using it to prevent the

vehicle’s battery from being

drained.

• Always disconnect the adapter

from the cigarette-lighter socket

before you unplug it from the CD

player.

• If you park your vehicle in the sun,

temperatures inside can easily

reach levels that could damage

your CD player and your CDs. To

prevent heat damage, avoid leav-

ing your CD player or CDs in your

vehicle.

Follow these steps to use your vehi-

cle’s battery power.

1. Attach the 4.0 mm outer diameter/

1.7 mm inner diameter barrel plug

to the adapter cord, matching the

positive (+) on the plug with TIP

on the cord.

2. Set the adapter’s voltage switch to

6V.

3. Insert the adapter’s barrel plug

into the CD player’s DC IN 6V jack.

Note: Battery power disconnects

when you connect a DC adapter

to the CD player (unless you are

using nickel-cadmium battery

packs).

4. Plug the other end of the adapter

into your vehicle’s cigarette-lighter

socket.

DC IN 6V

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CONNECTIONS

You can listen to your CD player by

connecting stereo earphones or am-

plified speakers to the player’s

PHONES jack, or by connecting the

player’s LINE OUT jack to a home au-

dio or car stereo system.

Notes:

• If you use the PHONES jack, use

the CD player’s VOLUME control

to adjust the volume.

• If you use the LINE OUT jack, use

the home audio or car stereo sys-

tem’s volume control to adjust the

volume.

CONNECTING

EARPHONES

For private listening, plug a pair of ste-

reo earphones with a 1/8-inch plug (not

supplied) into the CD player’s

PHONES jack.

Listening Safely

To protect your hearing, follow these

guidelines when you use earphones.

• Set the volume to the lowest set-

ting before you begin listening.

After you begin listening, adjust

the volume to a comfortable level.

• Do not listen at extremely high

volume levels. Extended high-

volume listening can lead to per-

manent hearing loss.

• Once you set the volume, do not

increase it. Over time, your ears

adapt to the volume level, so a

volume level that does not cause

discomfort might still damage your

hearing.

Traffic Safety

Do not wear earphones while operat-

ing a motor vehicle or riding a bicycle.

This can create a traffic hazard and

can be illegal in some areas.

Even though some earphones let you

hear some outside sounds when lis-

tening at normal volume levels, they

still can present a traffic hazard.

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CONNECTING

AMPLIFIED SPEAKERS

To listen to your CD player through a

pair of amplified speakers (not sup-

plied), plug the amplified speakers’ 1/8-

inch plug into the CD player’s PHONES

jack.

CONNECTING TO A

HOME AUDIO SYSTEM

To listen to your CD player through

your home audio system’s amplifier/

receiver and full-size speakers, con-

nect the supplied Y-cable’s 1/8-inch

plug to the CD player’s LINE OUT jack.

Then connect the Y-cable’s phono

plugs to the CD, AUX, or TV audio

LEFT and RIGHT input jacks on your

amplifier/receiver. (If the jacks on your

equipment do not match the plugs on

the Y-cable, check with your local Ra-

dioShack store for the proper cable

adapter.)

PHONES

Amplifier/Receiver with

LEFT and RIGHT Input Jacks

CONNECTING TO AN

AUTO SOUND SYSTEM

You can listen to your CD player

through your auto sound system in

one of three ways.

If your auto sound system has LINE IN

jacks — connect the supplied Y-

cable’s

1/8-inch plug to the CD player’s

LINE OUT jack. Then connect the Y-

cable’s phono plugs to your auto

sound system’s LINE IN input jacks.

(If the jacks on your equipment do not

match the plugs on the cable, check

with your local RadioShack store for

the proper cable adapter.)

Auto Sound System with

Two LINE IN Jacks

42-5065.fm Page 10 Thursday, August 12, 1999 9:47 AM

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