Optimus SCP-87 User Manual

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OWNER’S MANUAL

Please read before using this equipment.

Digital AM/FM Stereo

Cassette Player

Cat. No. 14-1230

SCP-87

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FEATURES

Your Optimus SCP-87 Digital AM/FM Stereo Cas­sette Player delivers excellent stereo sound through
your headphones or amplified speaker system. Be­cause the SCP-87 is portable, you can listen to cas­sette tapes or the AM/FM radio indoors or out.

Important:

To listen to your SCP-87, you need a pair
of headphones or amplified speakers (not supplied)
with a

1

/8-inch mini-plug. Your local RadioShack

store sells many headphones and speakers.
This player’s features include:

PLL (Phase-Locked Loop) Tuning

— gives you

precise tuning and drift-free reception.

Automatic Reverse

— automatically changes the
tape direction at the end of a tape side so you can
continuousl y play both sides of a cassette tape.

Tape Direction Control

— lets you change the
tape’s direction to play the other side at any time
without havi ng to ej ect the tape and turn it over.

Display

Dolby Laboratories Licensing Corporation. “DOLBY” and the

— shows the currently tu ned station.

©

1997 Tandy Corporation. All Rights Reserved.

RadioShack and Optimus are registered trademarks used by

Dolby B noise reduction manufactured under license from

double-D symbol are trademarks of

Dolby Laboratories Licensing Corporation.

Tandy Corporation.

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AM/FM Radio with 18-Station Memory — lets you
store up to 18 of your favorite radio stations for quick
tuning.

Seek Tuning — searches forward or backward to
the next strong station in the selected band so you
can quickly find a new station.

Preset Equalization — lets you select one of four
preset sound characteristics (classic, pop, rock, or
jazz).

Dolby B Noise Reduction — reduces background
and tape noise to improve the sound of your tapes.

Tape Selector — lets you select the proper equal­ization for normal or CrO

/metal cassette tapes.

2

Three Power Choices — let you power your SCP­87 from inter nal batteries (not supplied) , standard AC
power (with an optional AC adapter), or your vehi­cle’s battery (with an optional DC adapter) so you
can listen to music almost anywhere.

Belt Clip — lets you attach the SCP-87 to your belt
for hands-free carrying when you are on the go.

Take a few minutes to read this manual so you can
enjoy all the featur es of your SCP-87.

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CONTENTS

Preparation ........................................................... 6

Before You Begin ............................................. 6

Connecting to Power ....................................... 6

Using Battery Power ................................ 6

Using AC Power ....................................... 9

Using Your V ehicle’s Battery Power ....... 11

Resetting the SCP-87 ................................... 12

Using Headphones or Speakers ................... 13

Listening Safely ...................................... 13

Traffic Safety ...................... .. .. ........ .. ... ... 14

Using the Belt Clip ......................................... 14

Setting the Frequency Ranges and St eps .... 15

Using the Radio .................................................. 18

Manual Tuning ..... .............. ... .. ....... ... .. ........ .. . 20

Seek Tuning ... .............. ... .. ........ .. .. ........ .. ... ... 20

Memory Tuning ........ .............. ... .. ....... ... .. ...... 20

Storing Stations Automatically ............... 21

Storing Stations Manually ...................... 22

Selecting Stored Stations ...................... 23

Setting the Hold Switch ................................. 23

Using the Cassette Player ................................. 24

Playing a Tape .. ... .. ....... ... .. ........ .. .. ........ .. ... ... 24

Changing the Tape Direction ......................... 27

Using Fast-Forwa r d a nd R ew in d ... ................ 28

Dolby Noise Reduction ............. ..................... 29

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Tape Tips ............................................................ 30

Restoring Tape Tension and Sound Quality . 30

Cleaning the Tape-Handling Parts ......... ....... 31

Care and Maintenance ....................................... 32

Specifications .................................................... 33

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PREPARATION

BEFORE YOU BEGIN

To protect the playback head
during shipment, a protective
sleeve is attached. Remove it
before you use the SCP-87’s
cassette pl ayer.

CONNECTING TO POWER

You can power your SCP-87 from:

• Internal batteries

• AC power (using an AC adapter)

• Your vehicl e’s battery (using a DC adapter)

Using Battery Power

The SCP-87 can use two AA batteries for power. For
the best performance and longest life, we recom­mend alkaline batteries, such as RadioShack Cat.
No. 23-557.

You can also use rechargeable nickel-cadmium bat­teries (Cat. No. 23-125). These batteries (and a bat­tery charger, Cat. No. 23-133) are available at your
local RadioShac k store.

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

Follow these steps to install batteries.

1. Open the battery compartment cover by press­ing down and sliding it in the direction of the
arrow on the cover, then lifting open the cover.

Caution: The battery compartment cover is
hinged. Do not try to remove it.

2. Insert the batteries into the compartment as indi ­cated by the polarity symbols (+ and –) marked
outside the compartment.

3. Close the cover.

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If the BATT indicator becomes dim during operation
or does not light when you turn on the SCP-87, re­place (alkaline) or recharge (nickel-cadmium) both
batteries.

Caution: Always dispose of old batteries promptly
and properly.

Important: This product is capable of using re­chargeable nickel-cadmium batteries. At the end of
the batteries’ useful life, they m ust be recycled or dis­posed of properly. Contact your local, county, or
state hazardous waste management authorities for
information on recycling or disposal pr ograms in your
area. Some options that might be available are: mu­nicipal curbside collection, drop-off boxes at retailers
such as your local RadioShack store, recycling col­lection cent ers, and mail-back programs.

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Using AC Power

To power the SCP-87 from a standard AC outlet, you
need an AC adapter, such as Cat. No. 273-1654.

Cautions:

• You must use an AC adapter that supplies 3
volts DC power and delivers at least 300 milli­amps. Its center tip must be set to negative, and
its plug must properly fit the SCP-87’s
jack. The recommended adapter meets these
requirements. Using an adapter that does not
meet these requirements could damage the
SCP-87 or the adapter.

• Be sure you connect the adapter to the SCP-87
before you plug it into the AC outlet and that you
unplug the adapter from the A C outlet bef or e y ou
unplug it from the SCP- 87, to prevent damage to
the SCP-87 or the adapter.

DC 3V

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Follow these steps to connect the SCP-87 to AC
power.

1. Set the adapter’s voltage swi tch to 3V.

2. Insert the adapter’s 3.4 mm outer diameter/1.3
mm inner diameter tip into the adapter’s cord, so
it reads –TIP.

3. Insert the plug into t he SCP-87’s

DC 3V

jack .

4. Plug the adapter into a standard AC outlet.

Note:

Connecting the AC adapter automatically

disconnects internal batteries.

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Using Your Vehicle’s Battery Power

To power the SCP-87 from your vehicle’s battery,
you need a DC adapter, such as Cat. No. 270-1560.

Cautions:

• You must use a DC adapter that supplies 3 volts

DC power and delivers at least 300 m illiamps. Its
center tip must be set to negative, and its plug
must properly fit the SCP-87’s
recommended adapter meets these require­ments. Using an adapter that does not meet
these requirements could seriously damage the
SCP-87.

• Be sure you plug the adapter into the SCP-87

before you plug it into the cigarette-lighter
socke t, and that you unplug the adapter from the
cigarette-lighter socket before you unplug it from
the SCP-87, to prevent damage to the SCP-87
or the adapter.

DC 3V

jack. The

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Follow these steps to power the SCP-87 from your
vehicle’s battery.

.

1. Set the adapter’s voltage swi tch to 3V.

2. Insert the adapter’s 3.4 mm outer diameter/1.3
mm inner diameter tip into the adapter’s cord, so
it reads –TIP.

3. Insert the plug into t he SCP-87’s

DC 3V

jack .

4. Plug the other end of the adapter into the vehi­cle’s cigarette-lighter socket.

RESETTING THE SCP-87

If the SCP-87’s display locks up or does not work
properly after you connect power, reset the SCP-87.
To reset the SCP-87, press

using a pointed

RESET

object, such as a ball-point pen.

Caution:

Resetting the SCP-87 clears all the set­tings you have stored. Reset the SCP-87 only when
you are sure it is not work ing properly.

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USING HEADPHONES OR
SPEAKERS

To connect headphones or an amplified speaker sys­tem, insert the mini- plug into the SCP-87’s jack.

Listening Safely

To protect your hearing, follow these guidelines
when you use headphones.

• Set the volume t o the lowest setting before you
begin listening. After you begin listening, adjust
the volume to a comfortable level.

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• Do not listen at extremely high volume levels.
Extended high-volume listening can lead to per­manent hearing loss .

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• Once you set the volume, do not increase it.

Over time, your ears adapt to the volume level,
so a volume le ve l that does not cause discom f ort
might still damage your hearing.

Tr affic Safety

Do not wear headphones while operating a moto r ve­hicle or riding a bicycle. This can create a traffic haz­ard and can be illegal in some ar eas.

Even though some headphones are designed to let
you hear some outside sounds when listening at nor­mal volume levels, they still can present a traffic haz ­ard.

USING THE BELT CLIP

The belt clip lets you keep your hands free while you
listen to the SCP-87. To attach the belt clip to the
SCP-87, slide the belt clip’s latches into the slots on

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the cassette player and slide it up until it locks into

place.

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To remove the belt clip from the SCP-87, push in on

PUSH RELEASE

off.

, slide the belt clip down, then lift it

SETTING THE FREQUENCY
RANGES AND STEPS

The SCP-87 is set to tune frequencies in steps (in­crements) of 10 kHz (AM) and 0.2 MHz (FM) as used
in the United States.

In Europe and some other countries, frequency rang­es and steps are not the same as those in the United
States. For example:

In North and South America:

AM: 530–1,710 kHz (10 kHz incr em ent)
FM: 87.5–108.1 MHz (0.2 MHz increment)

Note:

Actual FM broadcast frequenci es are assigned

between 88 and 108 MHz.
In Europe and other countries:

AM: 531–1,602 kHz (9 kHz incre me nt)
FM: 87.5–108 MHz (0.05 MHz in crement)

In Japan:

AM: 531–1,629 kHz (9 kHz incre me nt)
FM: 76–108 MHz (0.1 MHz increment)

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Caution: Changing the frequency ranges and steps
erases all stored stations.

To listen to the radio in another country, follow these
steps to change the fr equency ranges and steps.

1. Press

RADIO ON/OFF

to turn on the radio.

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2. To change to Europe’s and other countries’ fre­quencies and steps, hold down
and

TUNING DOWN

seconds.

EU appears briefly on the displ ay and

at the same time for about 7

AUTO PRESET

a beep sounds, then the display shows the low­est frequency in the AM band .

To change to Japan’s frequencies and steps,
hold down

AUTO PRESET

same time for about 7 seconds.

and

TUNING UP

JP appears

at the

briefly on the display and a beep sounds, then
the display shows the lowest frequency in the
AM band.

To return to the local (U.S.) setting, hold down

TUNING DOWN

about 7 seconds.

and UP at the same time for

US appears briefly on the dis-

play and a beep sounds, then the display shows
the lowest frequency in the AM band.

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USING THE RADIO

1. Press

RADIO ON/OFF

desired band (

until the display shows the

AM, FM1, or FM2). Th e BATT indi-

cator lights.

BATT Indicator

STEREO/MONO

2. Set
on FM stations, or to

STEREO

to

MONO

for stereo sound

for monaural sound.

Notes:

• For the best FM reception, fully uncoil the

headphones’ o r speaker’s cord.

• The AM antenna is built-in. Move the SCP-87

to the best position for AM reception.

• To improve reception for weak FM stereo sta-

tions, set

STEREO/MONO

to

MONO

. The sound
will be monaural, but reception should
improve.

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3. Tune to the desired station using manual, seek,
or memory tuning (see “Manual Tuning,” “Seek
Tuning,” or “Memory Tuning” on Page 22).

4. Adjust

VOLUME

to the desired listening level.

5. Repeatedly press

PRESET E Q

(preset equalizer)
to select classic, pop, rock, or jazz sound char­acteristics. A bar appears above the selected
sound.

6. To turn off the radio, press

RADIO ON/OFF

the display clears and the BATT indicator turns
off.

until

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MANUAL TUNING

Press
band.

TUNING UP

or

DOWN

to tune up or down the

SEEK TUNING

Hold down
onds. The SCP-87 automatically searches up or
down the band and stops when it finds the next
strong station.

TUNING UP

or

DOWN

for about 1–2 sec-

MEMORY TUNING

You can store up to 6 AM and 12 FM stations in
memory, automatically or manually.

Note:

You can assign one station to each preset
number. When you assign another frequency to the
same preset number, the new frequency replaces
the old one.

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Storing Stations Automatically

You can set the SCP-87 to search the selected band
and store the first six stations it finds into memory lo­cations 1–6.

1. Press

2. Hold down

RADIO ON/OFF

until the desired band

appears.

AUTO PRESET

for about 1–2 sec-

onds. The SCP-87 starts searching.

When the SCP-87 finds a station, it plays the
station for about 3 seconds then stores it in
memory. Then the SCP-87 continues searching.
After storing six stations in that band, the SCP­87 plays the la st station stored.

Note:

If you do not want to store a particular st a-

tion, press

AUTO PRESET

while the station is
playing. The SCP-87 automatically tunes and
stores the next station.

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Storing Stations Manually

1. Press

RADIO ON/OFF

until the desired band

appears.

2. Press

TUNING UP

or

DOWN

to tune to the station

you want to st ore.

3. Hold down one of the preset number buttons (1–

6) for 1–2 seconds. The number and

PRESET

appear on the displ ay to indicate that the station
is being stored in memory.

PRESET disappears,

but the numbe r re m ains on the d isplay.

To replace a station you stored, simply store a
new station in that memory location.

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Selecting Stored Stations

1. Repeatedly press

RADIO ON/OFF

to select the

desired band.

2. Press one of the preset number buttons (1–6) to
select a station.

Note:

Do not hold down the preset number but­ton for more than one second. Otherwise,
another station will be stored in that memory
location.

SETTING THE HOLD SWITCH

HOLD

The
cannot accidentally change the radio’s settings. To
lock the keys, slide
row. To unlock the keys, slide

Note:

radio and cassette operation.

switch locks the radio control keys so you

HOLD

in the direction of the ar-

HOLD

to the left.

The

HOLD

switch also l o cks

PRESET EQ

during

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USING THE CASSETTE

PLAYER

PLAYING A TAPE

1. Gently pul l open the cassette compartment door
and insert a pre-recorded cassette into the
guides with the exposed tape edge facing out.
Then close t he door.

2. Set the tape select switch to
bias cassette tapes or to
or metal cass ette tapes.

DOLBY NR

3. Set
sette tape that was recorded with Dolby B noise

26

to ON if you are playing a cas-

NORM

CrO2/METAL

for normal

for chrome

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reduction (see “Dolby Noise Reduction” on

Page 32).

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4. Set the automatic reverse switch to the desired
position.

Continuous Playback ( ) — alternately
plays each side of the tape until you press

.

STOP

One-Time Playback ( ) — plays both sides
of the tape, then stops.

5. Make sure the radio is turned off.

6. Press

. The BATT indicator lights and

PLAY

TAPE appears on the displ ay. The tape plays.

7. Adjust

28

VOLUME

to the desired list ening level.

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8. Press

PRESET EQ

to se l ect cl as sic, p op, r ock , or
jazz sound characteristics. A bar appears above
the selected sound.

9. To stop the tape, press

STOP

.

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CHANGING THE TAPE
DIRECTION

You can change the tape’s di rection to play the other
side using the
tape’s forward side (facing out), set the switch to

FWD

. To listen to t he tape’s reverse side (facing in),

set the switch to

FWD/REV

REV

.

switch. To listen to the

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USING FAST-FORWARD AND
REWIND

When the tape is stopped, press or to re­wind or fast-forward it. To stop the tape before it
reaches the end, press

STOP

.

Tape Direction

FWD

(Forward)

REV

(Backward)

Note:

To protect the tape after the tape has fully

wound to either end, press

or button.

Press to

Fast-Forward

STOP

to release the

Press to

Rewind

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DOLBY NOISE REDUCTION

Your cassette player uses the Dolby B Noise-Reduc­tion system to reduce background noise or tape hiss
on your tapes. When a Dolby-encoded tape is re­corded, the Dol by circuit list ens to the program mate­rial to find soft passages where you might later be
able to hear the tape noise. The Do lby NR system in­creases the recording level during these passages.
When you play the tape, the circuit reduces the vol­ume of these passages to their original levels and re­duces the level of tape hiss to as little as one-third of
the usual noise level.

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TAPE TIPS

The following tips can help you get the best perfor­mance and the longest life from your SCP-87.

Note:

For the best performance, use only regular
length (60- or 90-minute) cassette tapes. We do not
recommend long-playing cassette tapes, such as C­120s, because they are extremely thin and can tan­gle easily.

RESTORING TAPE TENSION AND
SOUND QUALITY

After you pla y a cassette tape several times, the tape
might become tightly wound on the reels. This can
cause playback sound quality to deteriorate.

To restore the sound quality, fast-forward the tape
from the beginning to the end of one side, then com­pletely rewind it. Then loosen the tape reels by gently
tapping each side of the cassette’s outer shell on a
flat surface.

Caution:

when tapping it. Do not touch the exposed tape or al­low any sharp objects near the casset te.

Be careful not to damage the cassette

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CLEANING THE TAPE-HANDLING
PARTS

Dirt, dust, or particles of the tape’s coating can accu­mulate on the tape heads and other parts the tape
touches. This can greatly reduce the performance of
the SCP-87. To protect the SCP-87, clean the tape­handling parts after about every 20 hours of tape
player operation. Your local RadioShack store sells a
complete line of cassette deck clea ning supplies.

1. Remove the batteries and disconnect any other
power source.

2. Open the cass ette compartment cover.

3. Press
parts.

4. Use a cotton swab dipped in denatured alcohol
or tape head cleaning solution to clean the play­back head, pinch rollers, tape guides, and cap­stans.

Capstans

PLAY

to expose the tape-handling

Playback Head

Pinch Rollers

Tape Guides

5. When you finish cleaning, press
close the cassette compartment cover. Then
reconnect power.

34

STOP

and

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CARE AND MAINTENANCE

Your Optimus SCP-87 Digital AM/FM Stereo Cas­sette Player is an example of superior design and
craftsmanship. The following suggestions will help
you care for the SCP-87 so you can enjoy it for
years.

• Keep the SCP-87 dry. If it gets wet, wipe it dr y

immediately. Liquids might contain mineral s that
can corrode the elect ronic circuit s.

• Handle the SCP-87 gently and carefully. Drop-

ping it can damage circuit boards and cases and
can cause the system to work imp roperly.

• Use and store the SCP-87 only in nor mal tem-

perature environments. Temperature extremes
can shorten the life of electronic devices, dam­age batteries, and distort or melt plastic parts.

• Keep the SCP-87 away from dust and dirt, which

can cause premature wear of parts.

• Wipe the SCP-87 with a damp cloth oc casionally

to keep it looking new. Do not use harsh chemi­cals, cleaning solvents, or strong detergents to
clean the SCP-87.

Modifying or tampering with the SCP-87’s internal
components can cause a malfunction and might in­validate the SCP-87’s warranty and void your FCC
authorization to operate it. If your SCP-87 is not per­forming as it should, take it to your local RadioShack
store for assis tance.

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SPECIFICATIONS

This product is warranted by RadioShack against manufacturing defects in material
and workmanship under normal use for ninety (90) days from the date of purchase
from RadioShack company-owned stores and authorized RadioShack franchisees
and dealers. EXCEPT AS PRO V IDED HEREIN, Radi oShack MAKES NO EXPRE SS

CASSETTE DECK

WARRANTIES AND ANY IMPLIED WARRANTIES, INCLUDING THOSE OF MER­CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED IN
DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CON-

Cassette Mechanism ........................... Auto-Reverse

TAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO
LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR

Wow and Fl utt er ........................ ........................0.3%

ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAG E CAUSED DI­RECTLY OR INDIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR
ARISING OUT OF ANY BREACH OF THIS WARRANTY, INCLUDING, BUT NOT

Signal-to-Noi se Ratio ............ ............ .. ............45 dB

LIMITED TO, ANY DAMAGES RESULTING FROM INCONVENIENCE, LOSS OF
TIME, DATA, PROPERTY, REVENUE, OR PROFIT OR ANY INDIRECT, SPECIAL,

Separation ....................................................... 28 dB

INCIDENTAL, OR CONSEQUENTIAL DAMAGES, EVEN IF RadioShack HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow the limitations on how long an implied warranty lasts or the

Fr equency Response (at –3 dB) ......... 70–15,000 Hz

exclusion of incidental or consequential damages, so the above limitations or exclu­sions may not apply to you.
In the event of a product defect during the warranty period, take the product and the
RadioShack sales receipt as proof of purchase date to any RadioShack store. Ra­dioShack will, at its option, unless otherwise provided by law: (a) correct the defect

RADIO

by product repair without charge for parts and labor; (b) replace the product with one
of the same or similar design; or (c) refund the purchase price. All replaced parts
and products, and products on which a refund is made, become the property of Ra­dioShack. New or reconditioned parts and products may be used in the performance
of warranty service. Repaired or replaced parts and products are warranted for the
remainder of the original warranty period. You will be charged for repair or replace-

Fr equency Range .... 87.5-108.1 MHz 530-1710 kHz

ment of the product made after the expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts

IF Rejection .........................80 dB 50 dB

of God, abuse, accident, misuse, improper or abnormal usage, failure to follow in­structions, improper installation or maintenance, alteration, lightning or other inci­dence of excess vol tage or current; (b) any repairs other than those provided by a

Image Rejection .................30 dB 30 dB

RadioShack Authorized Service Facility; (c) consumables such as fuses or batteries;
(d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f) costs of

Selectivity ........................... 20 dB 22 dB

product removal, installation, set-up service adjustment or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights
which vary from state to state.

Signal-to-Noise (S/N) Ratio 50 dB 30 dB

RadioShack Customer Relations, Dept. W, 100 Throckmorton St.,

Stereo Separat ion ..............30 dB

Usable Sensitivity ............... 5 µV 1700 µV/m

Limited Ninety-Day Warranty

FM

Suite 600, Fort Worth, TX 76102

We Service What We Sell

AM

3/97

RadioShack

A Division of Tandy Corporation

Fort Worth, Texas 76102

960901ACK-O

85-HR8-905-02

9A7 Printe d in Malaysia

14-123 0.fm Page 37 Fr iday, July 2, 1999 10:26 AM

POWER REQUIREMENTS

Batteries ............................................ 2 AA Batteries

AC .............. ............ .. ........120 V olts with AC Adapt er

(Cat. No. 273 -1654)

DC .............................. 12 Volts DC with DC Adapter

(Cat. No. 270 -1560)

Typical Radio Playing Time

with AA Alkaline Batteries ........... 35 Hours (approx.)

Typical Cassette Playing Time

with AA Alkaline Batteries ............18 Hours (approx.)

GENERAL

Power Output ......... .. .....12 mW/Channel at 32 ohms

Phones Output Impedance .............. .......... ..32 ohms

Dimensions (HWD)...............3

1

/2 x 45/8 x 19/16 Inches

(88.1 x 115.1 x 39.2 mm)

Weight ..............................................................7.6 oz

(218 g)

Specifications are typical; individual units might vary.
Specifications are subject to change and improve­ment without notice.

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14-123 0.fm Page 38 Fr iday, July 2, 1999 10:26 AM

NOTES

38