Optimus 14-1121, CTR-115, 2133-920-0-01 User Manual
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Cat. No. 14-1121
Please read before using this equipment.
Cassette Tape Recorder
with Pop-Up Microphone
OWNER’S MANUAL
CTR-115
Voice-Activated
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FEATURES
Your Optimus CTR-115 Voice-Activated Cassette Tape Recorder uses the latest in recording technology to make recording easy and convenient. Recording begins when the CTR-115
detects sound and ends when sound subsides, for hands-free
operation. The CTR-115’s microphone is sensitive enough for
the board room, a seminar, or a lecture hall. And it’s small
enough to fit in your briefcase or purse, so it can go wherever
you go.
The CTR-115’s features include:
Digital Tape Counter
— helps you quickly find a specific sec-
tion on the cassette.
Tape Speed Selector
— lets you select normal, slow, or fast
playback speeds.
Cue Marker
— lets you insert a tone to mark the beginning or
end of a recording.
Pop-Up Mic and External Microphone Jack
— let you record
using either the built-in microphone or an external microphone.
Semi-Automatic Shut-Off
— automatically shuts off the re-
corder at the end of the tape during play or recording.
©
1998 Tandy Corporation.
Optimus and RadioShack are registered trademarks
All Rights Reserved.
used by Tandy Corporation.
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Mic Sensitivity Switch — lets you select low, medium, or high
microphone sensit ivity for recording.
Record/Battery Indicator — lights when you are recording.
When you are not, it indicates the battery’s condition.
Built-In Speaker — lets you listen to your recordings.
Automatic Level Control — automatically sets the right re-
cording level; no need to adjust the volume while recording.
Three Power Sources — let you power your recorder from in-
ternal batteries, or from a vehicle’s cigarette-lighter socket or
standard AC power (using the appropriate optional adapter).
We recommend you record the CTR-115’s serial number here.
The number is inside the cassette compartment.
Serial Number: ________ ___________________
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CONTENTS
Preparation ............................................................................ 5
Before Y ou Begin ............................................................... 5
Powering the CTR-115 ...................................................... 5
Installing Batteries ....................................................... 6
Using AC Power .......................................................... 7
Using Vehicle Battery Power ....................................... 8
Connecting the Earphone ................................................ 10
Listening Safely ......................................................... 10
Traffic Safety .............................................................. 11
Playing a Cassette Tape ....................................... .. ............ 12
Using the Tape Counter ............ ............ ........... .. ............ .. 16
Record in g ........ .. .......... .......... .. .......... .......... .. .......... .. .......... . 17
Using the Built-I n M icrophone ......................... ............ .... 17
Vox Recordi ng . .. ... ......... .......... ... ......... ... .......... ......... ... ... 18
Manual Recording ........................................................... 20
Cue Mark e r . .. .......... ... ......... ... ......... .......... ... ......... ... ........ 21
Using an External Microphone ........................................ 21
Recording from External Sources .................................... 22
Tape Tips .............. .. .......... .. .......... .......... .. .......... .......... .. ...... 23
Erasing a Recording ........................................................ 23
Preventing Accidental Erasure ........................................ 23
Restoring Tape Tension and Sound Quality ...... .. ............ 24
Care and Maintenance ........................................................ 25
Cleaning the Tape-Handling Parts ......... ............ .. ............ 25
Speci fi ca t io n s .................. .. .......... .......... .. .......... ... ......... ...... 27
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PREPARATION
BEFORE YOU BEGIN
To protect the record/playback head during shipment, a protective sleeve is positioned around the head. Gently pull open the
cassette compartment door and remove the sleeve before you
use the cassette recorder.
POWERING THE CTR-115
You can operate your CTR-115 from any of these power sources:
• two AA batteries (not suppli ed)
• standard household AC power (using an optional AC
adapter)
• a 12-volt vehicle battery (using an optiona l DC adapt er)
Note:
Using an adapter automatically disconnects the internal
batteries.
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Installing Batteries
You can power the CTR-115 with two AA batteries. We recommend alkaline bat teries, such as RadioShack Cat. No. 23-552.
Cautions:
• Use only fresh batteries of the required size and recommended type.
• Do not mix old and new batteries or different types of batteries.
1. Press down on the battery compartment cover and slide it off in
the direction of the arrow.
2. Put the batteries into the compartment as indicated by the
polarity symbols (+ and –)
marked beside it .
3. Replace the cover.
If the REC/BATT indicator does not
light (o r l ights dimly) when you press
PLAY, FAST-F/CUE
REV
, replace the batteries.
or
REWIND/
REC/BATT
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Cautions:
• Always remove old or weak batteries. Batteries can leak
chemicals that can destroy electronic parts.
• Dispose of old batteries promptly and properly. Do not burn
or bury them.
Using AC Power
To power the CTR-115 from an AC outlet, you need an AC
adapter, such as RadioShack Cat. No. 273-1654.
Cautions:
• The recommended adapter supplies 3 volts DC power and
delivers at least 300 milliamps. The adapter’s center tip
must be set to positive, and its plug must properly fit the
CTR-115’s
DC IN 3V
meet these specifications could damage the CTR-115 or
the adapter.
• Be sure you connect the adapter to the CTR-115 before
you plug it into the AC outlet, and that you unplug the
adapter from the AC outlet before you unplug it from the
CTR-115.
jack. Using an adapter that does not
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Follow these steps to powe r the CTR-115 with an AC adapter.
1. Set the adapter’s volt age switch to 3V.
2. Insert the adapter’s 2.35 mm outer diameter/0.7 mm inner
diameter barrel plug into the adapter’s cord, with the tip set
to positive.
3. Insert the barrel plug into the CTR-1 15’s
DC IN 3V
jack.
4. Plug the adapter into a standard AC outlet.
Using Vehicle Battery Power
You can operate the CTR-115 from your v ehicle’s battery with a
DC adapter (not supplied), such as Cat. No. 273-1810.
Cautions:
• The recommended adapters supply 3 volts DC power and
deliver at least 300 milliamps. The adapter’s center tip
must be set to positive, and its plug must properly fit the
CTR-115’s
DC IN 3V
jack. Using an adapter that does not
meet these specifications could damage the CTR-115 or
the adapter.
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• Be sure you plug the adapter into the CTR-115 before you
plug it into the cigarette-lighter socket, and that you unplug
the adapter from the cigarette-lighter socket before you
unplug it from the CTR-115.
Follow these steps to power the CTR-115 from your vehicle’s
cigarette-lighter socket.
1. Set the adapter’s voltage switch to 3 volts.
2. Insert the adapter’s 2.35 mm outer diameter/0.7 mm inner
diameter barrel plug into the adapter’s cord, with the tip set
to positive.
3. Insert the barrel plug into the CTR-115’s
DC IN 3V
jack.
4. Plug the other end of the adapter into the vehicle’s cigarette-lighter socket.
Note:
If the CTR-115 does not operate properly when connected to a cigarette-lighter socket, unplug the adapter and clean
any ashes and other debri s from the socket.
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