Optimus SCP-90 User Manual
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OWNER’S MANUAL
Please read before using this equipment.
AM/FM Stereo
Cassette Player
Cat. No. 14-1233
SCP-90
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FEATURES
Your Optimus SCP-90 AM/FM Stereo Cassette Player is lightweight, portable, and easy to operate. It delivers excellent sound through the supplied in-ear
sports headphones or through your speaker s, and includes these feat ures:
All Weather Design
— the sealed cassette compart-
ment protects your tape from wind, dust, and rain.
Auto-Stop
— automatically stops tape playback at
the end of a tape side to protect the tape-handling
parts.
Bass Boost
Automatic Frequency Control Circuit
— provides richer, fuller bass sound.
— helps lock
FM tuning for drift-free reception.
Three Power Sources
— let you power the SCP-90
from internal batteries, AC power, or vehicle battery
power.
©
1998 Tandy Corporation.
Optimus and RadioShack are registered trademarks used by
All Rights Reserved.
Tandy Corporation.
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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 amplified speakers (not supplied) with a
1
/8-inch mini
plug. Your local RadioShack store carries a wide selection of batter ies 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 Headphon es 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 T ips ........... .......... .......... .. .......... .......... . 21
Tape Quality ................... .. .......... .......... . 21
Restoring Tap e 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 compartment latch and pull
open the cassette
compartment door.
2. Press the battery
compartment
cover’s tab in the
direction of the
arrow and lift off
the cover.
Illust.
Illust.
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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 batteries.
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 elect ronic 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 adap ter, remove the batteries to protect the SCP-90 from possible battery 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
does not meet these specifications could damage the SCP-90 or the adapter.
DC 3V
jack. Using an adapter that
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• Always connect the adapter to the SCP-90’s
3V
jack before you connect it to the AC outlet.
DC
Then disconnect the adapter from the AC outlet
before disconnect ing it from the SCP-90.
Follow these steps to power the SCP-90 from a standard AC outlet.
1. Set the adapter’s voltage switch to 3V.
2. Put the adapter’s
3.4 mm outer diameter/1.3 mm inner
diameter barrel
plug onto the
Add
Illust.
adapter’s cord so it
reads –TIP.
3. Pull out the attached rubber plug from the SCP-
DC 3V
90’s
jack.
4. Insert the adapter’s
barrel plug into the
SCP-90’s
DC 3V
Illust.
jack.
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5. Plug the adapter
into a standard AC
outlet.
Illust.
Notes:
• Internal batteries (if installed) automatically disconnect 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 B attery Power
To power the SCP-90 from your vehicle’s cigarettelighter socket, you need an optional DC adapter,
such as RadioShack Cat. No. 270-1560.
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