14-1252.fm Page 1 Thursday, October 28, 1999 3:27 PM
Cat. No. 14-1252
OWNER’S MANUAL
Please read before using this equipment.
SCR-100
Stereo Cassette Player/Recorder
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Battery/Record Indicator
— shows you when the
SCR-100 is recording and indicates battery condi-
tion.
Automatic Stop —
shuts off the SCR-100 when it
reaches the end of a tape.
DC Input Jack —
lets you power the player from an
external DC source using an adapter (not supplied).
Headphone Output Jack —
lets you listen in private
or use optional external speakers.
Three Power Options
— you can power the SCR-
100 from AA batteries, standard AC power, or DC
power.
Note:
You need a pair of headphones or amplified
1
8
speakers (not supplied) with a / -inch (3.5-mm) plug
to listen to tapes in stereo. Your local RadioShack
store carries a wide selection of these products.
3
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CONTENTS
Preparation ........................................................... 5
Installing Batteries .......................................... 5
Using AC Power .............................................. 6
Using Vehicle Battery Power .......................... 8
Connecting Headphones/Speakers .............. 10
Listening Safely ..................................... 11
Traffic Safety .......................................... 12
Operation ............................................................ 13
Loading a Cassette Tape .............................. 13
Recording ..................................................... 14
Using the Built-in Stereo Microphone .... 14
Using External Stereo Microphones ...... 15
Playing a Tape .............................................. 16
Using the Tape Counter ......................... 18
Tape Tips ...................................................... 19
Tape Quality .......................................... 19
Restoring Tape Tension and Sound Quality
19
Cleaning the Tape-Handling Parts ......... 20
Care ..................................................................... 22
Specifications .................................................... 23
4
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PREPARATION
INSTALLING BATTERIES
Your SCR-100 requires two AA batteries (not sup-
plied) for power. For the best performance and long-
est life, we recommend RadioShack alkaline
batteries.
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.
Follow these steps to install batteries.
1. Slide the battery compartment cover in the direc-
tion of the arrow to open it.
5
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14-1252.fm Page 6 Thursday, October 28, 1999 3:27 PM
2. Place the batteries in the compartment as indi-
cated by the polarity symbols (+ and –) marked
inside
3. Replace the cover.
When RECORD/BATT does not light steadily during
play, replace the batteries.
Warning:
Dispose of old batteries promptly and
properly. Do not bury or burn them.
Caution:
If you do not plan to use the SCR-100 with
batteries for two weeks or more, remove the batter-
ies. Batteries can leak chemicals that can destroy
electronic parts.
USING AC POWER
You can power the SCR-100 using a 3V, 300-mA AC
adapter and a size H Adaptaplug® (neither supplied).
Both are available at your local RadioShack store.
6
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Cautions:
You must use a Class 2 power source
that supplies 3V AC and delivers at
least 300 mA. Its center tip must be set
!
to positive and its plug must fit the SCR-100's
DC 3V
jack. Using an adapter that does not
meet these specifications could damage the
SCR-100 or the adapter.
• Always connect the AC adapter to the SCR-100
before you connect it to AC power. When you
finish, disconnect the adapter from AC power
before you disconnect it from the SCR-100.
Follow these steps to power the SCR-100 from stan-
dard AC power.
1. Set the adapter’s voltage switch to 3V.
7
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2. Insert the Adaptaplug into the cord so it reads
TIP +.
3. Insert the adapter’s barrel plug into the SCR-
DC 3V
100’s
jack.
4. Plug the adapter into a standard AC outlet.
USING DC POWER
You can power the SCR-100 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 sup-
plies 3V DC and delivers at least 300
mA. Its center tip must be set to posi-
!
DC 3V
tive and its plug must fit the SCR-100's
jack. Using an adapter that does not meet these
8
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14-1252.fm Page 9 Thursday, October 28, 1999 3:27 PM
specifications could damage the SCR-100 or the
adapter.
• Always connect the DC adapter to the SCR-100
before you connect it to the power source. When
you finish, disconnect the adapter from the pow-
er source before you disconnect it from the
SCR-100.
Follow these steps to power the SCR-100 from DC
power.
1. Set the adapter’s voltage switch to 3V.
2. Insert the Adaptaplug into the cord so it reads
TIP +.
3. Insert the adapter’s barrel plug into the SCR-
DC 3V
100’s
jack.
9
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4. Plug the other end of the DC adapter into the
vehicle’s cigarette-lighter socket.
CONNECTING HEADPHONES/
SPEAKERS
To listen to tapes in stereo, connect stereo head-
phones or amplified speakers (neither supplied)
1
8
equipped with a / -inch (3.5-mm) stereo plug to
.
Your local RadioShack store sells a wide variety of
stereo headphones and amplified speakers.
10
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Listening Safely
To protect your hearing, follow these guidelines when
you use 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.
11
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Traffic Safety
Do not wear headphones while operating a motor ve-
hicle or riding a bicycle. This can create a traffic haz-
ard and could be illegal in some areas.
Even though some headphones let you hear some
outside sounds when listening at normal volume lev-
els, they still can present a traffic hazard.
12
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OPERATION
LOADING A CASSETTE TAPE
Follow these steps to load a cassette to record or
play.
1. Take up any slack in the
cassette tape by turning
the hub with a pencil to
prevent the tape from
becoming tangled in the
tape mechanism. Do not
touch the tape.
2. Open the cassette compartment door by lifting it
at the notch.
3. Insert a cassette tape
into the door guides so
the cassette’s open
edge faces out, the
side you want to use
faces up, and the full
reel is to the left.
Notch
4. Close the door.
13
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14-1252.fm Page 14 Thursday, October 28, 1999 3:27 PM
RECORDING
Using the Built-in Stereo Microphone
TAPE SPEED
1. With a blank tape loaded, set
follows.
as
• To maximize sound quality, set the switch to
NORMAL
.
• To increase the recording time (using a some-
what lower sound quality level), set the switch
SLOW
to
.
RECORD
PLAY
RECORD
and lock
2. Press
. Both
down and recording begins. RECORD/BATT
lights during recording.
3. When the player reaches the end of the tape, the
auto-stop mechanism stops the tape and
RECORD
PLAY
automatically. Press
releases
and
STOP
to stop recording sooner.
14
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Using External Stereo Microphones
You can record in stereo using two mono micro-
phones. This lets you place each microphone for the
best response and stereo separation. Your local Ra-
dioShack store carries a wide selection of suitable
microphones.
1. Place two mono microphones equidistant apart
and equidistant from the sound source.
1
8
2. Insert the microphones’ / -inch (3.5-mm) plugs
L MIC
into -
R-MIC
, respectively.
and
TAPE SPEED
3. With a blank tape loaded, set
as
RECORD
PLAY
and
desired, then press
. Both
RECORD
lock down and recording begins.
RECORD/BATT lights during recording.
4. When the player reaches the end of the tape, the
auto-stop mechanism stops the tape and
RECORD
PLAY
automatically. Press
releases
and
STOP
to stop recording sooner.
15
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14-1252.fm Page 16 Thursday, October 28, 1999 3:27 PM
PLAYING A TAPE
1. For mono playback, simply listen to the built-in
speaker. The SCR-100 combines the left and
right channels. For stereo playback, connect the
SCR-100 to a pair of stereo headphones or an
amplified speaker system (see “Connecting
Headphones/Speakers” on Page 10).
Note:
Connecting headphones or an amplified
speaker system disconnects the built-in speak-
ers.
2. Take up any slack in the tape by turning the cas-
sette’s hub with a pencil. Do not touch the
exposed tape.
3. Lift the cassette compartment door and insert
the cassette tape into the cassette guides with
its open edge facing up. Be sure the full reel is to
the right and the side you want to listen to faces
the door.
TAPE SPEED
4. Set
to the same speed you used
when you recorded the tape.
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14-1252.fm Page 17 Thursday, October 28, 1999 3:27 PM
PLAY
5. Press
6. Adjust
7. Slide
.
VOLUME
to the desired listening level.
ON/E-BASS/OFF
ON
to
for an enhanced
OFF
bass effect. Set it to
for normal bass sound.
E BASS
•
PAUSE
8. To temporarily stop the tape, slide
in the
direction of the arrow. To start play again, slide
PAUSE
in the opposite direction.
9. The tape automatically stops when it reaches
STOP
the end. To stop it sooner, press
.
FAST-F/CUE
To fast forward the tape, press
. The but-
REW/RE-
ton locks down. To rewind the tape, press
VIEW
. The button locks down. To release either
STOP
control, press
.
17
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14-1252.fm Page 18 Thursday, October 28, 1999 3:27 PM
Note:
FAST-F/CUE
REW/REVIEW
or
If you press either
while the tape plays, you hear the sound as the tape
moves. This lets you quickly locate specific parts of
FAST-F/CUE
REW/REVIEW
to re-
the tape. Release
sume play. Press
or
STOP
to stop playback.
Using the Tape Counter
The tape counter shows you a tape’s current posi-
tion. Before recording, press the tape counter button
to reset the counter to 000. Then, as the tape
counter moves, you can note specific points on the
tape to return to during playback.
18
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14-1252.fm Page 19 Thursday, October 28, 1999 3:27 PM
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 com-
pletely rewind it. Then loosen the tape reels by gently
tapping each side of the cassette’s outer shell on a
flat surface.
19
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14-1252.fm Page 20 Thursday, October 28, 1999 3:27 PM
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.
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 SCR-100’s perfor-
mance.
After every 20 hours of tape player operation, follow
these steps to clean the tape-handling parts or use a
cassette deck cleaning kit available from your local
RadioShack store.
1. Remove the batteries and disconnect any other
power source.
2. Open the cassette compartment door and press
PLAY
to expose the tape-handling parts.
20
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14-1252.fm Page 21 Thursday, October 28, 1999 3:27 PM
3. Use a cotton swab dipped in denatured alcohol
or tape head cleaning solution to clean the tape
guides, record head, play head, pinch roller, and
capstan.
Capstan
Play Head
Pinch Roller
Record Head
Tape Guides
STOP
4. When you finish cleaning, press
and close
the cassette compartment door, then reconnect
power.
21
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14-1252.fm Page 22 Thursday, October 28, 1999 3:27 PM
CARE
Your Optimus SCR-100 Stereo Cassette Player/Re-
corder is an example of superior design and crafts-
manship. The following suggestions will help you
care for the SCR-100 so you can enjoy it for years.
• Keep the SCR-100 dry. If it gets wet, wipe it dry
immediately.
• Use and store the SCR-100 only in normal tem-
perature environments.
• Handle the SCR-100 gently and carefully. Do not
drop it.
• Keep the SCR-100 away from dust and dirt.
• Occasionally wipe the SCR-100 with a damp
cloth to keep it looking new.
Modifying or tampering with the SCR-100’s internal
components can cause a malfunction and might in-
validate its warranty. If your SCR-100 is not perform-
ing as it should, take it to your local RadioShack store
for assistance.
22
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14-1252.fm Page 23 Thursday, October 28, 1999 3:27 PM
SPECIFICATIONS
Power Requirements ..................................... 3V DC
Two AA Batteries
12V DC with optional DC adapter
120V AC with optional AC adapter
Tape System .................................... 2-Track, Stereo
7
8
Tape Speed ................................................... 1 / ips
(4.75 cm/s)
Frequency Response ......... 125 Hz–8 kHz (at –6dB)
Signal-to-Noise Ratio ...................................... 45 dB
Wow and Flutter ............................................. 0.35%
3
3
5
Dimensions (HWD) ............ 3 / 4 / 1 / Inches
8 ×
4 ×
16
(86 × 120 × 33.5 mm)
Weight (without batteries) .............................. 6.5 oz
(180 g)
Specifications are typical; individual units might vary.
Specifications are subject to change and improve-
ment without notice.
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14-1252.fm Page 24 Thursday, October 28, 1999 3:27 PM
Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in ma-
terial 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 EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES, IN-
CLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICU-
LAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE
WRITTEN LIMITED WARRANTIES CONTAINED HEREIN. EXCEPT AS PRO-
VIDED HEREIN, RadioShack SHALL HAVE NO LIABILITY OR RESPONSIBIL-
ITY TO CUSTOMER OR ANY OTHER PERSON OR ENTITY WITH RESPECT
TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR INDI-
RECTLY 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, 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 limita-
tions 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 by product repair without charge for parts and labor; (b) re-
place the product with one of the same or similar design; or (c) refund the pur-
chase 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 re-
placed parts and products are warranted for the remainder of the original war-
ranty 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 instructions, improper installation or maintenance, alteration, lightning or
other incidence of excess 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 insur-
ance costs; or (f) costs of product removal, installation, set-up service adjust-
ment 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
08A99
Printed in Hong Kong
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