Optimus CTR-107 Manual de usuario
Cat. No. 14-1112
OWNER’S MANUAL
Please read before using this equipment.
CTR-107
Portable Cassette
Tape Recorder
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2
FEATURES
Your Optimus CTR-107 Portable Cassette Tape Re-
corder has a lightweight, portable design that makes
it perfect for recording lectures, interviews, business
meetings, and speeches.
The recorder’s voice activation feature lets you set
the recorder to automatically record only when itpicks
up sound. This saves room on your cassette tape,
conserves battery power, and lets you record without
manually stopping the recorder whenever a long
pause or break occurs.
The recorder also includes these features:
Built-In Condenser Microphone — provides good
quality recordings.
Built-In Speaker — lets you listen to your recordings
without connecting an earphone.
Cue/Review — lets you listen to recordings at a high
speed to help you find a particular section.
© 1997 Tandy Corporation.
All Rights Reserved.
Optimus is a registered trademark
used by Tandy Corporation.
RadioShack is a trademark used by
Tandy Corporation.
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Tape Counter — helps you quickly locate a specific
section on the tape.
Automatic Level Control (ALC) Circuit — automat-
ically adjusts to the proper recording level.
Auto Stop — automatically stops the recorder when
the tape reaches the end during playback or record-
ing.
Pause Control — lets you edit as you record.
Three Power Sources — let you power the recorder
using four AA batteries, a standard AC outlet (with an
optional AC adapter), or your vehicle’s cigarette-
lighter socket (with an optional DC adapter).
Built-In Carrying Strap — lets you easily carry the
cassette recorder anywhere you go.
Supplied Earphone — lets you listen in privacy.
Erase Plug — lets you erase a tape without record-
ing any sound over it.
MIC Jack — lets you connect an optional external mi-
crophone.
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CONTENTS
Preparation ........................................................... 5
Connecting Power ........................................... 5
Using Internal Batteries ............................ 5
Using AC Power ....................................... 8
Using Vehicle Battery Power .................. 10
Using the Earphone ...................................... 12
Listening Safely ...................................... 12
Traffic Safety .......................................... 13
Operation ............................................................ 14
Loading a Cassette Tape .............................. 14
Playing a Cassette Tape ............................... 16
Using Fast-Forward/Rewind ................... 18
Using the Tape Counter ......................... 19
Recording ...................................................... 20
Using an External Microphone ............... 22
Tape Tips ....................................................... 24
Recommended Tapes ............................ 24
Erasing a Cassette Tape ........................ 24
Preventing Accidental Erasure ............... 25
Restoring Tape Tension and
Sound Quality ........................................ 27
Maintenance ........................................................ 28
Cleaning the Tape-Handling Parts ................ 30
Specifications ..................................................... 33
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PREPARATION
CONNECTING POWER
You can power the CTR-107 from any of three power
sources:
• Internal batteries
• Standard AC power (with an optional AC
adapter)
• Your vehicle’s cigarette-lighter socket (with an
optional DC adapter)
Note: Connecting an adapter disconnects internal
batteries.
Using Internal Batteries
You can power the CTR-107 from four AA batteries
(not supplied). For the best performance, we recom-
mend alkaline batteries, such as RadioShack Cat.
No. 23-557.
You can also use rechargeable nickel-cadmium bat-
teries (Cat. No. 23-125) with a battery charger (Cat.
No. 23-133).
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Follow these steps to install batteries:
1. Press down on the battery compartment cover
and slide it off in the direction of the arrows.
2. Install the batteries as indicated by the polarity
symbols (+ and –) marked outside the compart-
ment.
Cautions:
• Use only fresh batteries of the required size
and type.
• Do not mix old and new batteries, different
types of batteries (standard, alkaline, or re-
chargeable), or rechargeable batteries of dif-
ferent capacities.
• Always dispose of old batteries promptly and
properly.
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• Never leave dead, old or weak batteries in the
CTR-107. Batteries can leak chemicals and
corrode or damage electronic circuits.
3. Replace the cover.
Notes:
• If you plan not to use the CTR-107 for a week or
more, or you plan to use an AC or DC adapter,
remove the batteries to protect the CTR-107
from possible battery leakage.
• When the RECORD/BATT indicator becomes
dim during operation or does not light when you
turn on the recorder, replace the batteries.
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Important: Your recorder is capable of using re-
chargeable nickel-cadmium batteries. At the end of
the batteries’ life, they must be recycled or disposed
of properly. Contact your local, county, or state haz-
ardous waste management authorities for information
on recycling or disposal programs in your area. Some
options that might be available are: municipal curb-
side collection, drop-off boxes at retailers such as
your local RadioShack store, recycling collection cen-
ters, and mail-back programs.
Using AC Power
To power the CTR-107 from an AC outlet, you need
an AC adapter (not supplied), such as Cat. No. 273-
1663 or 273-1664.
Cautions:
• The recommended AC adapter supplies 6 volts
and delivers at least 300 millliamps. Its center tip
is set to negative, and its plug correctly fits the
DC 6V jack on the CTR-107. Using an adaper
that does not meet these specifications could
seriously damage the CTR-107 or the adapter.
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• Always plug the AC adapter into the CTR-107
before you plug it into the AC outlet, and unplug
the AC adapter from the AC outlet before you
unplug its barrel plug from the CTR-107.
Follow these steps to connect the CTR-107 to AC
power.
1. Set the adapter’s voltage switch to 6V.
2. Insert the adapter’s 5.5 mm outer diameter/2.1
mm inner diameter barrel plug into the adapter’s
cord so it reads –TIP.
3. Insert the AC adapter’s barrel plug into the DC 6V
jack on the CTR-107.
4. Plug the AC adapter into a standard AC outlet.
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Using Vehicle Battery Power
You can power the CTR-107 from your vehicle’s ciga-
rette-lighter socket using a DC adapter (not supplied),
such as Cat. No. 273-1802.
Cautions:
• The recommended DC adapter supplies 6 volts
and delivers at least 300 milliamps. Its center tip
is set to negative, and its plug correctly fits the
CTR-107’s DC 6V jack. Using an adapter that
does not meet these specifications could dam-
age the CTR-107 or the adapter.
• Always plug the DC adapter into the CTR-107
before you plug it into the cigarette-lighter
socket, and always unplug the adapter from the
cigarette-lighter socket before you unplug it from
the CTR-107.
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