Optimus CD-8250 User Manual

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5-Disc Compact Disc Changer

Cat. No. 42-5072

OWNER’S MANUAL

Please read before using this equipment.

CD- 8250

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FEATURES

Your Optimus CD-8250 5-Disc Compact Disc Changer holds up to five CDs. Its automatic disc loading system lets you select more music for continuous play and gives you musical variety without having to continually remove and load discs.

The CD-8250’s advanced design makes this CD changer simpl e to operate. It has these great features:

ht-Times Oversampling with

ital Filterin

— improves the sound of CDs by m ultiplying the standard 44.1 kHz sampling rat e by eight and using a digital filter to reduce or eliminate high-frequency distortion.

1-Bit DAC

— uses the latest in digitalto-analog conversion circuitry to accurately reproduce all sound levels w ith virtually no distortion.

Sequence Pro

ramming

— lets you program up to 3 2 selection s to play in any order you choose.

Intro Scan

— helps you locate a desired track by playing the f irst 10 seconds of each track on the current CD. You can also change the length of the intro play time.

Remote Control

— lets you control

the CD changer from a distance.

Repeat Pla

— lets you automatica lly repeat a single track, multiple CDs, or a series of programmed tracks.

Shuffle Pla

— randomly selects

tracks on loaded CDs and plays them.

Tri-Spot Pickup Servo S

stem

— helps ensure perfect tracking of your CDs.

5- or 3-Inch CD Compatible

æ lets

you play 5- or 3-inch CDs.

The remote control requires two

Note:

AA batteries.

Audible Search

— helps you locate a section of music by playing the CD rapidly in either direction.

Automatic Search Music S (ASMS)

— lets you quickly move to

stem

any track on a CD.

RadioShack and Optimus are registered trademarks used by Tandy Corporation.

All Rights Reserv ed .

We recommend you record the CD changer’s serial number here. The number is on the back panel.

Serial Number: __________________

CAUTION

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Important: Most material on compact discs is copyrighted. Unauthor ized duplication of copyrighted material is a violation of the copyright laws of most countries and such duplication may result in fines and/or imprisonment. Note, however, that in the United States, it is not a violation of U.S. copyright laws for a consumer to use an audio recording device to duplicate musical recordings for noncommercial (personal) use.

CDs that you can play on this changer have this mark on them:

Warnings:

• This unit employs a laser. Because of possible eye injury, only a qualified service person should remove the cover or attempt to service this device.

Warning: To prevent f ire or shoc k hazard, do not expose this product to rain or moisture.

RISK OF ELECTRIC SHOCK.

DO NOT OPEN.

CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.

This symbol is inten ded to alert yo u to the p r es en c e o f un in su lated dangerous voltage within the product’s enclosure that mi ght be of suff icient magnitude to constitute a risk of electric shock. Do not open the product’s case.

This symbol is intended to inform you that important operating and

maintenance instructions are included in the literature accompanying this product.

• Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

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IMPORTANT SAFETY INSTRUCTIONS

Careful attention is devoted to quality standards in the manufacture of your CD changer, and safety is a major factor in its design. However, safety is also your responsibility.

This section lists important information that will help you properly use and enjoy your CD changer and accessories. Read all the included safety and operating instructions before using your CD changer. Follow them closely, and retain them for future reference.

Heed Warnings

ings on the product and i n the operating instru c tio n s.

Cleaning

the wall outlet before cleaning. Use only a damp cloth for cleaning. Do not use liquid or aerosol cleaners.

Attachments

ments/accessories not recommended by the product manufacturer, as they might create a hazard.

Water and Moisture

this product near water (for example, near a bathtub, washbowl, kitchen sink, or laundry tub; in a wet basement; or near a swimming pool).

— Unplug this product from

— Follow all warn-

— Do not use attach-

— Do not use

mended by the manufacturer or sold with the product. Follow the m anufacturer's instructions for mounting, and use a recommended mount ing accessory.

Carts

— Move the product on a cart carefully. Quick stops, excessive force, and uneven surfaces may cause the product/cart to overturn.

Ventilation

the cabinet provide ventilation, ensure reliable operation, and protect from overheating. Do not block or cover these openings, an d do not place the product on a bed, sofa, rug, or other similar surface. Do not place the product in a built-in bookcase or rack unless it provides proper ventilation as specified by the manufacturer.

Power Sources

uct using only the power source indicated on its marking label. If you are not sure of your home's power type, consult your product dealer or local power company.

— Slots and openings in

— Operate this prod-

Accessories

product on an unstable cart, s tand, tripod, bracket, or table. The product may fall, causing serious injury to a child or adult, and serious damage to the product. Use only with a cart, stand, tripod, bracket, or table recom -

— Do not place this

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Polarization — This product is equipped with a polarized AC line plug (a plug having one blade wider than the other). This plug will fit in the power outlet only one way. This is a safety feature. If you cannot insert the plug fully into the outlet, try reversing the plug. If the plug still doesn't fit, contact your electrician to replace your o bsolete outlet. Do not defeat the safety purpose of the polarized plug. If you need an extension, use a polarized cord.

Power-Cord Protection — Route power-supply cords so they are not likely to be walked on or pinched by items placed on or against them, paying particular attention to cords at plugs, convenience receptacles, and the point where they exit from the product.

Nonuse Periods — Unplug the CD changer’s power cord when you will not use it for extended periods.

Lightning — For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to lightning and power-line surges.

Overloading — Do not overload wall outlets, extension cords, or integral convenience receptacles, as this can result in a risk of fire or electric shock.

Objects a nd Liquids — Never push objects of any kind into this product through openings, as they may touch dangerous voltage point s or short out parts that could res ult i n a f ire or electric shock. Never spill liquid of any kind on the product.

Servicing — Do not attempt to service this product yourself, as opening or removing covers may expose you to dangerous voltage or other hazards. Refer all servicing to qualified service personnel.

Damage Requiring Service — Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions:

• When the power-supply cord or plug is damaged.

• If liquid has been spilled or objects have fallen into the product.

• If the product has been exposed to rain or water.

• If the product does not operate normally by following the operating instructions. Adjust only those controls that are covered by the operating instructions, as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation.

• If the product has been dropped or damaged in any way.

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• When the product exhibits a distinct change in performance.

Replacement Parts — When replacement parts are required, be sure the service technician uses replacement parts specified by the m anufacturer or having the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards.

Safety Check — Upon completion of service or repairs to this product, ask the service technician to perform safety checks to determine that the product is in proper operating condition.

Wall or Ceiling Mount — The product should be mounted to a wall or ceiling only as recommended by the manufacturer.

Heat — The product s hould b e situated away from heat sources such as radiators, heat registers, stoves, or other products (including amplifiers) that produce heat.

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CONTENTS

Preparation ........................................................................................................... 8

Connecting the CD Changer ................................................... ....... ....... ....... ... 8

Using the Remote Control ............................................................................... 8

Installing Batteries .................................................................................... 8

Using the Remote ..................................................................................... 9

Operation ............................................................................................................ 10

Loading CDs ................................................................................................. 10

Playing CDs .................................................................................................. 10

Selecting a CD .............................................................................................. 12

Selecting a Track .......................................................................................... 12

Changing CDs During Playback ................................. ..... .. ..... .. ..... ..... .. ..... .. . 13

Tray Number and Disc Display.................................................................13

Special Features ................................................................................................ 14

Audible Search .............................................................................................. 14

Repeat Play .................................................................................................. 14

Shuffle Play ................................................................................................... 15

Intro Scan ...................................................................................................... 15

Playing a Sequence of Tracks ...................................................................... 16

Checking/Changing the Programmed Sequence ................................... 17

Adding to the Programmed Sequence ................................................... 17

Erasing a Programmed Sequence ......................................................... 17

Troubleshootin

Care and Maintenance ...................................................................................... 19

CD Care Tips ................................................................................................ 20

The FCC Wants You to Know ....................................................................... 20

Specifications .................................................................................................... 21

................................................................................................ 18

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PREPARATION

CONNECTING THE CD CHANGER

Follow these steps to conne ct the CD changer to your audio system and to power.

1. Select a location for your CD changer that is near your receiver/ amplifier and a standard AC outlet.

Caution:

changer on top of the receiver/amplifier or any other component that gets hot.

Note:

near other audio components or their wires, you might hear a hum when you play a CD. To eliminate the hum, move the components or their wires.

2. Plug one end of the supplied audio cable into the CD changer’s

LINE OUT L

put jacks, matching the red pl ug to the red to the white

3. Plug the other end of the cable into the receiver/amplifier’s left and right CD, AUX, or TAPE input jacks.

Do not place the CD

If you place the CD changer

(left) and R (right) out-

jack and the white plug

jack.

Caution:

amplifier’s PHONO inputs. Doing so could damage the receiver/amplifier.

4. Plug the CD changer’s power cord into a standard AC outlet.

Do not use the receiver/

USING THE REMOTE CONTROL

Installing Batteries

Your CD changer’s remote control requires two AA batteries (not supplied) for power. We recommend alkaline batteries, such as RadioShack Cat. No. 23-552, for the best perform ance and longest life.

Cautions:

• Always use fresh batteries of the required size and recommended type.

• Do not mix old and new batteries, different types of batteries (standard, alkaline, or rechargeable), or rechargeable batteries of different capacities.

1. Pull the latch on the battery compartment cover and lift it off.

illustration

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