Optimus CTR-106 User Manual
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Please read before using this equipment.
Cassett e Tap e Reco r de r
Cat. No. 14-1111
OWNER’S MANUAL
CTR-106
Voice-Activated
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FEATURES
Your Optimus CTR-106 Voice-Activated Cassette Tape
Recorder gives you a convenient and reliable way to
record live audio. You can manually start recording or set
the CTR-106 to automatically start recording when the recorder picks up sound.
Because the CTR-106 does not record long periods of silence, you not only save tape space and battery power,
you also save time whe n you try to f ind a certain sect ion
on the tape. Your recorder is small enough to fit in a briefcase or purse, so you can take it almost anywhere —
meetings, lectures, and so on.
The cassette recorder includes these special features:
Voice-Activated Circuit
— automatically starts recording when the recorder picks up sound and stops recording within 5 seconds after the sound falls below a set
level.
Built-In Condenser Microphone
— helps provide quali-
ty recordings.
Di
ital Tape Counter
— helps you quickly return to a
specific section on the tape.
©
1997 Tandy Corpor ation .
Optimus and RadioShack are regi stered trademarks
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All Rights Reserved.
used by Tandy Corporation.
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Automatic Level Control (ALC) Circuit
— automatically
adjusts to the proper recording level.
Auto Stop
— during playback and recording, stops the
recorder and releases the tape mechanism when the
tape reaches the end, to sa ve battery po wer and p rotect
your cassette tape.
Three-Way Power
— lets you operate your cassette recorder using internal batteries, an AC outlet (using an optional adapter), or your vehicle’s cigarette-lighter socket
(using an optional adapter).
Earphone
— lets you listen without disturbing others.
You can also use the earphone to monitor a recording
and check the microphone’s sensitivity.
Built-In Speaker
— lets you listen to your recorder with-
out an earphone.
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CONTENTS
Preparation ...... ................................. .......... ......... ........ 5
Powering the Recorder ........................................... 5
Using Internal Battery Power ........................... 5
Using AC Power ............................................... 7
Using DC Power .............................................. 9
Using the Earphone .............................................. 11
Listening Safely .............................................. 12
Traffic Safety .................................................. 12
Operation ................................................................... 13
Loading a Cassette Tape ...................................... 13
Playing a Tape ...................................................... 14
Using Fast-F and Rewind ..................................... 15
Using the Tape Counter ........................................ 15
Recording ............................................................. 16
Using Voice Activation (VOX) ........................ 16
Manual Recording .......................................... 17
Tape Tips .............................................................. 18
Restoring Tape Tension and Sound Quality ... 18
Preventing Accidental Erasure ....................... 18
Erasing a Cassette Tape ................................ 19
Maintenance .............................................................. 20
Cleaning the Tape-Handling Parts ........................ 21
Specifications ............................................................ 23
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PREPARATION
POWERING THE RECORDER
For portable use, you can p ower the recorder from internal batteries. You can also power it from a standard AC
outlet or your vehicle’s cigarette-lighter socket.
Using Internal Battery Power
The recorder uses t wo AA batteries. For the best resu lts,
we recommend alkaline batteries, such as RadioShack
Cat. No. 23-552. Or, you can use rechargeable nickelcadmium batteries, such as Ca t. No. 23-125, with a battery charger (Cat. No. 23-133).
Cautions:
• Use only fresh batteries of the recommended size
and type.
• Do not mix old and new batteries, different types of
batteries (standard, alkaline, or rechargeable), or
rechargeable batteries of different capacities.
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Follow these steps to install batteries.
Illust.
1. Slide the battery compartment cover i n the direction
shown by the arrow on the cover.
2. Install two AA batteries as indicated by the polarity
symbols (+ and –) marked on the back of the
recorder.
3. Replace the cover.
Cautions:
• If you do not plan to use the recorde r for a week or
more, or you plan to use only another po wer source,
remove the batteries.
• Always dispose of old batteries promptly and properly.
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Important:
Your recorder is capable of using rechargeable nickel-cadmium batteries. At the end of the batteries’
useful life, they must be recycled or disposed of properly.
Contact your local, county, or state hazardous waste
management authorities 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, recycling collection centers, and mailback programs.
Using AC Power
To power the recorder from an AC outlet, you need an
AC adapter (not supplied), such as Cat. No. 273-1654.
Cautions:
• You must use an adapter that supplies 3 volts and
delivers at least 300 milliamps. Its center tip must be
set to negative, and it must have a plug t hat p roperly
fits the CTR-106’s
adapter meets these specifications. Using an adapter
that does not meet t hese specifications could damage the CTR-106 or the adapter.
DC 3V
jack. The recommended
• Connecting an AC adapter automatically disconnects
internal batteries.
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• Always plug the adapt er in to t he rec order b efore you
plug it into the AC outlet. Always unplug the adapter
from the AC outlet before you unplug it from the
recorder.
Illust.
1. Set the adapter’s voltage switch to 3V.
2. Attach the 3.4 mm outer diameter/1.3 mm inner
diameter barrel plug to the AC adapter’s cord with the
tip set to negative (–).
3. Insert the plug into the recorder’s
DC 3V
4. Plug the adapter into a standard AC outlet.
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jack.
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