Optimus Cassette Player SCP 90 User Manual

14-1233.fm Page 1 Friday, July 2, 1999 10:46 AM  
Cat. No. 14-1233  
OWNER’S MANUAL  
Please read before using this equipment.  
SCP-90  
AM/FM Stereo  
Cassette Player  
 
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Removable Belt Clip — allows hands-free carrying  
when you are on the go.  
Note: You need two AA batteries, an AC adapter, or  
a DC adapter to power the SCP-90. To listen to your  
SCP-90, you can use the supplied in-ear sports  
headphones (or other headphones) or a pair of am-  
plified speakers (not supplied) with a 1/8-inch mini  
plug. Your local RadioShack store carries a wide se-  
lection of batteries and speakers.  
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CONTENTS  
Preparation ........................................................... 5  
Connecting Power .......................................... 5  
Using Batteries ........................................ 5  
Using AC Power ...................................... 7  
Using Vehicle Battery Power ................... 9  
Connecting the Headphones or Speakers .... 12  
Listening Safely ..................................... 13  
Traffic Safety ......................................... 13  
Using the Belt Clip ........................................ 14  
Radio Operation ................................................. 15  
Cassette Operation ............................................ 17  
Playing a Cassette Tape ............................... 17  
Tape Tips ...................................................... 21  
Tape Quality .......................................... 21  
Restoring Tape Tension and  
Sound Quality ........................................ 21  
Maintenance ....................................................... 23  
Cleaning the Tape-Handling Parts ................ 24  
FCC Information ........................................... 26  
Specifications .................................................... 27  
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PREPARATION  
CONNECTING POWER  
Using Batteries  
To power the SCP-90 with batteries, you need two  
AA batteries (not supplied). We recommend alkaline  
batteries, such as RadioShack Cat. No. 23-557.  
Follow these steps to install batteries.  
1. Pull up the black  
cassette compart-  
ment latch and pull  
open the cassette  
compartment door.  
Illust.  
2. Press the battery  
compartment  
cover’s tab in the  
Illust.  
direction of the  
arrow and lift off  
the cover.  
5
 
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3. Install the batteries over the ribbon, as indicated  
by the polarity symbols (+ and –) marked inside  
the compartment.  
Cautions:  
Use only 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.  
4. Replace the battery compartment cover, then  
close the cassette compartment door and latch.  
If the SCP-90 does not operate properly or if the  
sound becomes weak or distorted, replace the batter-  
ies.  
Cautions:  
• Always dispose of old batteries promptly and  
properly.  
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• Never leave dead, old, or weak batteries in the  
SCP-90. Batteries can leak chemicals that can  
corrode or damage electronic circuits.  
• If you do not plan to power the SCP-90 with bat-  
teries for several days, or if you plan to power it  
using only an AC or DC adapter, remove the bat-  
teries to protect the SCP-90 from possible bat-  
tery leakage.  
Using AC Power  
To power the SCP-90 with standard AC power, you  
need an optional AC adapter, such as RadioShack  
Cat. No. 273-1654.  
Cautions:  
• The recommended AC adapter supplies 3 volts  
and delivers at least 250 milliamps. Its center tip  
is set to negative, and its barrel plug correctly fits  
the SCP-90’s DC 3V jack. Using an adapter that  
does not meet these specifications could dam-  
age the SCP-90 or the adapter.  
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• Always connect the adapter to the SCP-90’s DC  
3V jack before you connect it to the AC outlet.  
Then disconnect the adapter from the AC outlet  
before disconnecting it from the SCP-90.  
Follow these steps to power the SCP-90 from a stan-  
dard AC outlet.  
1. Set the adapter’s voltage switch to 3V.  
2. Put the adapter’s  
3.4 mm outer diam-  
eter/1.3 mm inner  
Add  
Illust.  
diameter  
plug onto  
barrel  
the  
adapter’s cord so it  
reads –TIP.  
3. Pull out the attached rubber plug from the SCP-  
90’s DC 3V jack.  
4. Insert the adapter’s  
barrel plug into the  
Illust.  
SCP-90’s DC 3V  
jack.  
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5. Plug the adapter  
into a standard AC  
outlet.  
Illust.  
Notes:  
• Internal batteries (if installed) automatically dis-  
connect when you plug the AC adapter into the  
SCP-90.  
• Disconnect the adapter and reinsert the jack’s  
rubber plug when you are not using the SCP-90.  
Using Vehicle Battery Power  
To power the SCP-90 from your vehicle’s cigarette-  
lighter socket, you need an optional DC adapter,  
such as RadioShack Cat. No. 270-1560.  
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Cautions:  
• The recommended DC adapter supplies 3 volts  
and delivers at least 250 milliamps. Its center tip  
is set to negative, and its barrel plug correctly fits  
the SCP-90’s DC 3V jack. Using an adapter that  
does not meet these specifications could dam-  
age the SCP-90 or the adapter.  
• Always connect the adapter to the SCP-90’s DC  
3V jack before you connect it to the cigarette-  
lighter socket. Then disconnect the adapter from  
the cigarette-lighter socket before disconnecting  
it from the SCP-90.  
Follow these steps to power the SCP-90 from your  
vehicle’s cigarette-lighter socket.  
Illust.  
10  
 
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1. Set the adapter’s voltage switch to 3V.  
2. Insert the adapter’s 3.4 mm outer diameter/1.3  
mm inner diameter barrel plug into the adapter’s  
cord so it reads –TIP.  
3. Pull out the attached rubber plug from the SCP-  
90’s DC 3V jack.  
4. Insert the adapter’s barrel plug into the SCP-90’s  
DC 3V jack.  
5. Plug the adapter into the vehicle’s cigarette-  
lighter socket.  
Notes:  
• If the SCP-90 does not operate properly when  
you use DC power, be sure the cigarette-lighter  
socket is clean and that the adapter’s plug is  
pushed all the way into the socket.  
• Internal batteries (if installed) automatically dis-  
connect when you plug the adapter into the DC  
3V jack.  
• Disconnect the adapter and reinsert the jack’s  
rubber plug when you are not using the SCP-90.  
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CONNECTING THE  
HEADPHONES OR SPEAKERS  
To listen to your SCP-90, connect the supplied in-ear  
sports headphones (or other headphones) or a pair  
of amplified speakers (not supplied) with a 1/8-inch  
mini plug.  
Pull out the attached rubber plug from the SCP-90’s  
PHONES jack, then plug in the headphones’ or speak-  
ers’ 1/8-inch plug.  
Illust.  
When you are not using your SCP-90 and head-  
phones or speakers are disconnected, put the rubber  
plug back into the PHONES jack to protect against  
moisture and dust.  
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Listening Safely  
To protect your hearing, follow these guidelines when  
you use the headphones.  
• Set the volume to the lowest setting 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 headphones while operating a motor ve-  
hicle or riding a bicycle. This can cause a traffic haz-  
ard and can be illegal in some areas.  
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Even though some headphones are designed to let  
you hear some outside sounds when listening at nor-  
mal volume levels, they still can present a traffic haz-  
ard.  
USING THE BELT CLIP  
For hands-free carrying, slide the belt clip over your  
belt.  
To remove the belt clip, use a Phillips screwdriver to  
loosen the screw holding the clip. Then lift off the clip.  
Illust.  
To replace the belt clip, position it as shown, then re-  
place and tighten the screw.  
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RADIO OPERATION  
Important:  
Make sure you have connected head-  
phones or speakers to the SCP-90.  
RADIO OFF/TAPE/FM ST/AM  
FM ST AM  
or  
1. Set  
to  
to turn on the radio.  
Illust.  
VOLUME  
2. Adjust  
to the desired listening level.  
TUNING  
3. Turn  
to select the desired station.  
Illust.  
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Note: The AM antenna is built-in. Rotate the  
cassette player to improve AM reception. For the  
best FM reception, fully extend the headphones’  
or speakers’ cord.  
4. Set BASS BOOST to ON for an enhanced bass  
effect. Set it to OFF for normal bass sound.  
Add  
Illust.  
5. Set RADIO OFF/TAPE/FM ST/AM to RADIO OFF/  
TAPE to turn off the radio.  
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CASSETTE OPERATION  
PLAYING A CASSETTE TAPE  
1. Take up any slack in the tape by turning the cas-  
sette’s hub with a pencil. Do not touch the  
exposed tape.  
Illust.  
2. Pull up the cassette compartment latch and pull  
open the door.  
Illust.  
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3. With its open edge facing up and the full reel to  
the left, insert the cassette tape into the cassette  
guide.  
Illust.  
4. Close the door and the latch.  
5. Set RADIO OFF/TAPE/FM ST/AM to RADIO OFF/  
TAPE.  
Add  
Illust.  
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6. Press PLAY to start play.  
Add  
Illust.  
7. Adjust VOLUME to the desired listening level.  
Add  
Illust.  
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8. Set BASS BOOST to ON for an enhanced bass  
effect. Set it to OFF for normal bass sound.  
Add  
Illust.  
9. To stop playback, press STOP.  
Add  
Illust.  
Notes:  
• The SCP-90 automatically stops when the tape  
reaches the end of that side during playback.  
To advance the tape quickly, press F.FWD. The  
button locks down, and the tape fast forwards  
until you press STOP. To rewind the tape, turn the  
tape over and press F.FWD.  
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TAPE TIPS  
Tape Quality  
For the best performance, use only regular length  
(60- or 90-minute) cassette tapes. We do not recom-  
mend long-playing cassette tapes, such as C-120s,  
because they are extremely thin and can easily tan-  
gle in the playback mechanism.  
Restoring Tape Tension and Sound  
Quality  
After you play 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 turn it  
over and completely fast-forward the other side.  
Then loosen the tape reels by gently tapping each  
side of the cassette’s outer shell on a flat surface.  
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Caution: Be careful not to damage the cassette  
when tapping it. Do not touch the exposed tape or al-  
low any sharp objects near the cassette.  
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MAINTENANCE  
Your Optimus SCP-90 AM•FM Stereo Cassette Play-  
er is an example of superior design and craftsman-  
ship. The following suggestions will help you care for  
the SCP-90 so you can enjoy it for years.  
• Keep the SCP-90 dry. If it gets wet, wipe it dry.  
• Use and store the SCP-90 only in normal tem-  
perature environments.  
• Handle the SCP-90 gently and carefully. Don’t  
drop it.  
• Keep the SCP-90 away from dust and dirt.  
• Occasionally wipe the SCP-90 with a damp cloth  
to keep it looking new.  
Modifying or tampering with the SCP-90’s internal  
components can cause a malfunction and might in-  
validate its warranty and void your FCC authorization  
to operate it. If your SCP-90 is not performing as it  
should, take it to your local RadioShack store for as-  
sistance.  
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CLEANING THE TAPE-HANDLING  
PARTS  
Dirt, dust, or particles of the tape’s coating can accu-  
mulate on the tape head and other parts that the tape  
touches. This can reduce the SCP-90’s performance.  
Follow these steps to clean the tape-handling parts  
after about every 20 hours of tape player operation.  
1. Open the cassette compartment latch and door.  
2. Remove the batteries and disconnect any other  
power source.  
3. Press PLAY to expose the tape-handling parts.  
Illust.  
24  
 
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4. Use a cotton swab dipped in denatured alcohol  
or tape head cleaning solution to clean the play-  
back head, pinch roller, capstan and tape  
guides.  
Illust.  
5. When you finish cleaning, press STOP, reinstall  
batteries (if necessary), and close the compart-  
ment door and latch.  
Note: Your local RadioShack store sells a complete  
line of cassette deck cleaning supplies.  
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FCC INFORMATION  
Your SCP-90 might cause TV or radio interference  
even when it is operating properly. To determine  
whether your SCP-90 is causing the interference,  
turn off your SCP-90. If the interference goes away,  
your SCP-90 is causing it. Try to eliminate the inter-  
ference by:  
• Moving your SCP-90 away from the receiver  
• Connecting your SCP-90 to an outlet that is on a  
different electrical circuit from the receiver  
• Contacting your local RadioShack store for help  
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SPECIFICATIONS  
GENERAL  
Power Requirements ............................... 3 Volts DC  
Two AA Batteries (Cat. No. 23-557),  
3-Volt AC Adapter (Cat. No. 273-1654), or  
3-Volt DC Adapter (Cat. No. 270-1560)  
Dimensions (HWD) ............... 115/16 ¥ 5 ¥ 45/16 Inches  
(48 ¥ 127 ¥ 109 mm)  
Weight (Without Batteries) ............................. 9.2 oz  
(260 g)  
RADIO  
Frequency Range ........................... FM 88–108 MHz  
AM 530–1710 kHz  
CASSETTE PLAYER  
Tape System .................................... 4-Track, Stereo  
Tape Speed ...........................17/8 Inches per Second  
Wow and Flutter ............................................. 0.35%  
Specifications are typical; individual units might vary.  
Specifications are subject to change and improve-  
ment without notice.  
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Limited Ninety-Day Warranty  
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 PROVIDED HEREIN, RadioShack MAKES NO EX-  
PRESS 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 WAR-  
RANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack  
SHALL HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY  
OTHER PERSON OR ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR  
DAMAGE CAUSED DIRECTLY OR INDIRECTLY BY USE OR PERFORMANCE  
OF THE PRODUCT OR ARISING OUT OF ANY BREACH OF THIS WARRANTY,  
INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RESULTING FROM IN-  
CONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR PROFIT  
OR ANY INDIRECT, SPECIAL, 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 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 de-  
fect 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 re-  
placed 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 replacement of the product made after the expiration of the warranty pe-  
riod.  
This warranty does not cover: (a) damage or failure caused by or attributable to  
acts of God, abuse, accident, misuse, improper or abnormal usage, failure to follow  
instructions, improper installation or maintenance, alteration, lightning or other inci-  
dence of excess voltage or current; (b) any repairs other than those provided by a  
RadioShack Authorized Service Facility; (c) consumables such as fuses or batter-  
ies; (d) cosmetic damage; (e) transportation, shipping or insurance costs; or (f)  
costs of 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.  
RadioShack Customer Relations, Dept. W, 100 Throckmorton St., Suite 600, Fort  
Worth, TX 76102  
We Service What We Sell  
3/97  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
3A8  
Printed in Hong Kong  
 

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