Optimus Cassette Player SCP 103 User Manual

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Cat. No. 14-1255  
OWNER’S MANUAL  
Please read before using this equipment.  
SCP-103  
Digital Tuning AM/FM  
Stereo Auto-Reverse  
Cassette Player  
 
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Jack — lets you connect headphones for private listen-  
ing, or speakers to share the sound with others.  
Three Power Options — let you power the SCP-103 from in-  
ternal batteries, standard AC power (with an optional AC  
adapter), or your vehicle's cigarette-lighter socket (with an  
optional DC adapter).  
Removable Belt Clip — lets you attach the SCP-103 to your  
belt for hands-free carrying when you are on the go.  
Key Lock — lets you lock any of the other front panel keys,  
to prevent you from accidentally turning the radio on or off,  
resetting the clock time, or losing radio stations stored in  
memory.  
Note: You need a pair of headphones or amplified speakers  
1
(neither supplied) with a /8-inch plug to operate your SCP-  
103. Your local RadioShack store sells a wide variety of  
headphones and speakers.  
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CONTENTS  
Preparation ........................................................................ 5  
Using the Belt Clip ........................................................ 5  
Powering the SCP-103 ................................................. 5  
Using Batteries ..................................................... 6  
Using AC Power .................................................... 8  
Using Your Vehicle's Cigarette-Lighter Socket ...... 9  
Setting the Clock ........................................................ 10  
Connecting Headphones or Amplified Speakers ....... 11  
Listening Safely ................................................... 11  
Traffic Safety ....................................................... 12  
Using the Radio ............................................................... 13  
Listening to the Radio ................................................ 13  
Storing Stations in Memory ........................................ 14  
Using Lock ................................................................. 16  
Using the Cassette Player .............................................. 17  
Playing a Cassette Tape ............................................. 17  
Using the Alarm ............................................................... 19  
Setting the Alarm Time .............................................. 19  
Turning the Alarm Off ................................................. 20  
Care and Maintenance .................................................... 21  
Cleaning the Tape-Handling Parts ............................. 22  
Restoring Tape Tension and Sound Quality ............... 23  
The FCC Wants You to Know ..................................... 24  
Specifications .................................................................. 25  
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PREPARATION  
USING THE BELT CLIP  
To attach the belt clip, align the  
tab on the back of the clip with  
the recess on the back of the  
case, then slide the clip up until  
it snaps into place.  
To remove the belt clip, press  
the upper part of the clip and  
slide it down.  
POWERING THE SCP-103  
You can power your SCP-103 from any of three power sourc-  
es:  
• internal batteries (not supplied)  
• standard AC power (with an optional AC adapter)  
• your vehicle's cigarette-lighter socket (with an optional  
DC adapter)  
Note: Connecting an optional adapter disconnects internal  
batteries.  
5
 
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Using Batteries  
You can power your SCP-103 from two AA batteries (not sup-  
plied). We recommend RadioShack alkaline batteries. You  
can also use rechargeable nickel-cadmium batteries. If you  
use rechargeable batteries, you also need a battery charger  
(not supplied, available at your local RadioShack store).  
Cautions:  
• Do not mix old and new batteries, different types of bat-  
teries (standard, alkaline, and nickel-cadmium), or  
rechargeable batteries of different capacities in the SCP-  
103.  
• Use only fresh batteries of the required size and type.  
Follow these steps to install batteries.  
1. Press down on the battery  
compartment cover and  
slide it in the direction of the  
arrow, then lift it up on its  
hinge to open it.  
2. Install the batteries as indi-  
cated by the polarity sym-  
bols (+ and –) marked  
inside.  
3. Replace the cover.  
Note: If your SCP-103 locks up, remove one of the batteries,  
then reinstall it.  
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Replace the batteries when the low battery icon flashes on  
the display, the sound distorts, or the volume weakens.  
Warning: Dispose of old batteries promptly and properly. Do  
not burn or bury them.  
Caution: If you do not plan to use the SCP-103 for a month  
or more, remove the batteries. Batteries can leak chemicals  
that can destroy electronic parts.  
Important: At the end of a nickel-cadmium battery’s useful  
life, it must be recycled or disposed of properly. Contact your  
local, county, or state hazardous waste management authori-  
ties for information on recycling or disposal programs 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 centers, and  
mail-back programs.  
7
 
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Using AC Power  
You can power the SCP-103 using a 3V, 300 mA AC adapter  
and a size H Adaptaplug® (neither supplied). Both are avail-  
able at your local RadioShack store.  
Cautions:  
You must use a Class 2 power source that sup-  
plies 3V DC and delivers at least 300 mA. Its  
center tip must be set to positive and its plug  
!
DC 3V  
must fit the SCP-103's  
jack. Using an adapter that  
does not meet these specifications could damage the  
SCP-103 or the adapter.  
• Always connect the AC adapter to the SCP-103 before  
you connect it to AC power. When you finish, disconnect  
the adapter from AC power before you disconnect it from  
the SCP-103.  
Follow these steps to connect an AC adapter to the SCP-103.  
1. Set the adapter's voltage switch to 3V.  
2. Insert the Adaptaplug into the AC  
adapter's socket. Line up TIP on  
the plug with +POS on the socket.  
3. Insert the barrel plug into the  
SCP-103's  
jack.  
DC 3V  
4. Plug the AC adapter into a stan-  
dard AC outlet.  
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Using Your Vehicle's Cigarette-Lighter Socket  
You can power the SCP-103 from a vehicle’s 12V power  
source (such as cigarette-lighter socket) using a 3V, 300-mA  
DC adapter and a size H Adaptaplug® (neither supplied).  
Both are available at your local RadioShack store.  
Cautions:  
You must use a power source that supplies 3V  
DC and delivers at least 300 mA. Its center tip  
must be set to positive and its plug must fit the  
!
SCP-103  
DC 3V  
's  
jack. Using an adapter that does not  
SCP-103  
meet these specifications could damage the  
the adapter.  
or  
• Always connect the DC adapter to the SCP-103 before  
you connect it to the power source. When you finish, dis-  
connect the adapter from the power source before you  
disconnect it from the SCP-103.  
Follow these steps to power the SCP-103 from your vehicle's  
cigarette-lighter socket.  
1. Set the adapter's voltage  
switch to 3V.  
2. Insert the Adaptaplug into the  
DC adapter's socket. Line up  
positive (+) on the plug with  
TIP on the socket.  
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3. Insert the plug into the SCP-103's  
jack.  
DC 3V  
4. Plug the adapter into the vehicle's cigarette-lighter  
socket.  
Note: If the SCP-103 does not operate when you turn it on,  
remove the DC adapter from your vehicle's cigarette-lighter  
socket and check the socket for debris. Also, check the fuse  
in the adapter and your vehicle's fuse block.  
SETTING THE CLOCK  
MIN  
HOUR  
MEMORY/  
CLOCK  
1. In the time mode, press  
set time flashes.  
. The currently  
MEMORY/CLOCK  
Note: If you do not press HOUR or MIN within 5 seconds,  
the currently set time stops flashing. If that happens,  
repeat this step.  
2. Repeatedly press  
until the display shows the cor-  
HOUR  
rect hour. To rapidly advance the hours, hold down  
.
HOUR  
10  
 
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3. Repeatedly press  
until the display shows the correct  
MIN  
minute. To rapidly advance the minutes, hold down  
.
MIN  
4. When the display shows the correct time, either press  
or wait until the display stops flashing.  
MEMORY/CLOCK  
CONNECTING HEADPHONES OR  
AMPLIFIED SPEAKERS  
To listen to the SCP-103, you need a  
pair of headphones or amplified  
speakers with a 1/8-inch (3.5-mm)  
plug. Your local RadioShack store  
carries a wide selection of head-  
phones and amplified speakers.  
Insert the headphones' or speakers'  
1/8-inch plug into the SCP-103's  
jack.  
Listening Safely  
To protect your hearing, follow these guidelines when you  
use headphones.  
• Set the volume to the lowest setting before you begin lis-  
tening. 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.  
• 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 vehicle or  
riding a bicycle. This can create a traffic hazard and can be il-  
legal in some areas.  
Even though some headphones let you hear some outside  
sounds when listening at normal volume levels, they still can  
present a traffic hazard.  
12  
 
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USING THE RADIO  
LISTENING TO THE RADIO  
Important: Make sure you have connected headphones or  
speakers to the SCP-103. See “Connecting Headphones or  
Amplified Speakers” on Page 11.  
DOWN  
RADIO ON/OFF  
UP  
1. Press  
to turn on the radio.  
RADIO ON/OFF  
2. Adjust  
to a comfortable listening level.  
VOLUME  
3. Hold down  
until the display shows the desired  
BAND  
band (AM or FM).  
4. Tune to the desired station using manual or seek tuning.  
Manual Tuning: Repeatedly press UP or DOWN to tune  
up or down the selected band. To rapidly tune the band,  
hold down  
or  
.
DOWN  
UP  
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Seek Tuning: Hold down UP or DOWN for about 1 sec-  
ond. The SCP-103 tunes up or down the selected band,  
then stops at the next higher or lower station that has a  
strong signal.  
Notes:  
• The SCP-103 has a built-in AM antenna, and the  
headphones' or speakers' cord serves as an FM  
antenna. For the best AM reception, rotate the SCP-  
103. For the best FM reception, fully uncoil the head-  
phones' or speakers' cord.  
• If FM stereo reception is poor or noisy, switch  
STE-  
to  
. The sound is not in stereo, but  
MONO  
REO/MONO  
reception should improve.  
5. Set to for extra bass effect, or to to  
OFF  
BASS ON/OFF  
ON  
leave the bass sound unchanged.  
6. To turn off the radio, press  
.
RADIO ON/OFF  
STORING STATIONS IN MEMORY  
You can store up to 20 radio stations (10 FM and 10 AM) in  
memory, then quickly tune to a stored station by pressing a  
memory button (or  
and a memory button).  
+5  
Follow these steps to store stations in memory.  
1. Press to turn on the radio.  
RADIO ON/OFF  
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2. Repeatedly press  
until the display shows the  
BAND  
desired band (AM or FM).  
Memory  
Location  
Buttons  
Memory  
Location  
Buttons  
MEMORY/  
CLOCK  
BAND  
3. Tune to the first station you want to store. The display  
shows the frequency.  
4. Press  
. MEMO flashes on the display for  
MEMORY/CLOCK  
about 5 seconds.  
Note: If you do not press a memory location button or +5  
within about 5 seconds, MEMO disappears from the dis-  
play. Start again from Step 4.  
5. To store stations into memory locations 1–5, press a  
memory location button ( – ), then press  
1 5  
MEMORY/  
again. MEMO disappears.  
CLOCK  
To store stations into memory locations 6–10, press  
,
+5  
then one of the memory location buttons ( – ). For  
1 5  
example, if you press  
then , the stereo stores the  
+5  
1
selected frequency into memory location . Press  
6
MEM-  
again.  
ORY/CLOCK  
6. Tune to the next station you want to store, then repeat  
Steps 4 and 5.  
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To replace a station you stored, store a new station in that  
memory location.  
USING LOCK  
This button helps prevent you from accidentally turning the  
radio on or off, resetting the clock time, or losing radio sta-  
tions stored in memory.  
Press  
to activate this function. The lock icon appears.  
LOCK  
To deactivate the lock function, press  
icon disappears.  
again. The lock  
LOCK  
LOCK  
16  
 
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USING THE CASSETTE PLAYER  
PLAYING A CASSETTE TAPE  
Important: Make sure that you have connected headphones  
or speakers to the SCP-103. See “Connecting Headphones  
or Amplified Speakers” on Page 11.  
Caution: We do not recommend using C-120 cassette tapes.  
They are very thin and can easily become tangled in the  
tape-handling parts.  
1. Press  
to turn off the radio.  
RADIO ON/OFF  
2. Take up any slack in the cassette tape by turning its hub  
with your finger or a pencil. If you do not remove excess  
slack, the tape might become tangled in the play mecha-  
nism. Avoid touching the tape.  
3. Pull open the cassette compartment door.  
4. Slide the cassette tape into the guides in  
the door with the tape's open edge facing  
up, the side you want to hear facing out,  
and the full reel to the left. Then close the  
door.  
17  
 
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5. Press  
to play the tape.  
Notes:  
• After playing to the end of a side, the tape changes  
direction to play the other side.  
To reverse the tape direction during playback, slide  
to the other setting.  
< DIRECTION >  
To fast-forward or rewind the cassette tape, press  
or . When you reach the desired section of  
tape, press then to resume play.  
6. Adjust  
to a comfortable listening level.  
VOLUME  
7. Set  
to  
for extra bass effect, or to  
to  
OFF  
BASS ON/OFF  
ON  
leave the bass sound unchanged.  
8. Press to stop the tape.  
18  
 
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USING THE ALARM  
You can set the SCP-103 to automatically sound a beeping  
alarm at a time you select.  
SETTING THE ALARM TIME  
1. Press  
to turn off the radio. The display  
RADIO ON/OFF  
shows the currently set time.  
2. Press . ALARM and the currently set alarm time  
ALARM  
flash.  
ALARM  
Note: If you do not press HOUR or MIN within 5 seconds,  
ALARM and the currently set alarm time stop flashing. If  
this happens, repeat Step 2.  
3. Repeatedly press  
desired hour.  
until the display shows the  
HOUR  
4. Repeatedly press  
minute.  
until the display shows the desired  
MIN  
5. When the display shows the desired alarm time, wait  
until ALARM and the set alarm time stop flashing to allow  
the SCP-103 to store the setting.  
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TURNING THE ALARM OFF  
At the preset alarm time, the alarm beeps, even if a cassette  
or the radio is playing. Press any key on the front panel to si-  
lence the alarm. The alarm will sound again the next day at  
the set time.  
To turn off the alarm so it does not sound again the next day,  
press  
twice so ALARM disappears from the display.  
ALARM  
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CARE  
To enjoy your cassette player for a long time:  
• Keep the cassette player dry. If it gets wet, wipe it dry  
immediately.  
• Use and store the cassette player only in normal temper-  
ature environments.  
• Handle the cassette player gently and carefully. Don’t  
drop it.  
• Keep the cassette player away from dust and dirt.  
• Wipe the cassette player with a damp cloth occasionally  
to keep it looking new.  
Modifying or tampering with the cassette player’s internal  
components can cause a malfunction and invalidate its war-  
ranty. If your cassette player is not performing as it should,  
take it to your local RadioShack store for assistance.  
21  
 
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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 that the tape touches. This  
can greatly reduce the performance of the SCP-103. Follow  
these steps after every 20 hours of operation.  
Tape Guide  
Play Head  
Pinch Roller  
Capstan  
1. Remove the batteries and disconnect any other power  
source.  
2. Open the cassette compartment door.  
3. Press  
to expose the tape-handling parts.  
4. Use a cotton swab dipped in denatured alcohol or tape  
head cleaning solution to clean the play head, pinch  
roller, capstan, and tape guides.  
5. When you finish cleaning, press  
and close the cas-  
sette compartment door. Then reconnect power.  
Your local RadioShack store carries a full line of cassette  
player cleaning supplies.  
22  
 
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RESTORING TAPE TENSION AND  
SOUND QUALITY  
After you play a cassette several times, the tape might be-  
come 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: Be careful not to damage the cassette when tap-  
ping it. Do not touch the exposed tape or allow any sharp ob-  
jects near the cassette.  
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THE FCC WANTS YOU TO KNOW  
This equipment complies with the limits for a Class B digital  
device as specified in Part 15 of FCC Rules. These limits pro-  
vide reasonable protection against radio and TV interference  
in a residential area. However, your equipment might cause  
TV or radio interference even when it is operating properly.  
To eliminate interference, you can try one or more of the fol-  
lowing corrective measures:  
• Reorient or relocate the receiving antenna.  
• Increase the distance between the equipment and the  
radio or TV.  
• Use outlets on different electrical circuits for the equip-  
ment and the radio or TV.  
Consult your local RadioShack store if the problem still exists.  
24  
 
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SPECIFICATIONS  
GENERAL  
Power Requirements .................................................. DC 3V  
Power Sources ............................................... 2 AA Batteries,  
AC Adapter, DC Adapter  
Battery Life ............................... Approx. 14 Hours (Nominal)  
Dimensions (HWD) ............................... 4.53 × 3.46 × 1.5 in  
(115 × 88 × 38 mm)  
Weight .......................................................................... 6.9 oz  
(200 mg)  
CASSETTE DECK  
Tape Speed ............................. 17/8 ips (4.75 cm Per Second)  
Tape System ............................................ Four Track, Stereo  
Frequency Response (at –6dB)........................ 125-8,000 Hz  
S/N Ratio ..................................................................... 44 dB  
Motor .......................................... 3 Volt Motor with Governor  
RADIO  
AM Sensitivity at 20 dB S/N .................................. 2000 µv/m  
AM Selectivity (±10 kHz) ............................................. 15 dB  
FM IHF Usable Sensitivity ........................................... 10 µV  
FM Selectivity (±400 kHz) ............................................ 15 dB  
10% THD Output Power .......................... 10 mW (32 Ohms)  
Specifications are typical; individual units might vary. Specifi-  
cations are subject to change and improvement without no-  
tice.  
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NOTES  
26  
 
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27  
 
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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 Ra-  
dioShack company-owned stores and authorized RadioShack franchisees and dealers.  
EXCEPT AS PROVIDED HEREIN, RadioShack MAKES NO EXPRESS 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 CONTAINED HEREIN.  
EXCEPT AS PROVIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RE-  
SPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RE-  
SPECT 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 INCONVENIENCE, LOSS OF TIME, DATA, PROP-  
ERTY, 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 exclu-  
sions 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. Ra-  
dioShack will, at its option, unless otherwise provided by law: (a) correct the defect 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 prod-  
ucts, 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 period.  
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 instruc-  
tions, improper installation or maintenance, alteration, lightning or other incidence of ex-  
cess voltage or current; (b) any repairs other than those provided by a RadioShack  
Authorized Service Facility; (c) consumables such as fuses or batteries; (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, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102  
We Service What We Sell  
04/99  
RadioShack  
A Division of Tandy Corporation  
Fort Worth, Texas 76102  
07A99  
Printed in China  
 

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