Optimus CTR-108 Owner's Manual

Ac dc portable cassette recorder.
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14-1115.fm Page 1 Friday, January 8, 1999 10:31 AM
Cat. No. 14-1115
Please read before using this equipment.
AC DC Portable
Cassette Recorder

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   Summary of Contents for Optimus CTR-108

  • Page 1

    14-1115.fm Page 1 Friday, January 8, 1999 10:31 AM Cat. No. 14-1115 OWNER’S MANUAL Please read before using this equipment. CTR-108 AC DC Portable Cassette Recorder...

  • Page 2

    AUX Jack — lets you connect an ex- ternal sound source so you can record directly from it. © 1997, 1999 Tandy Corporation. Optimus and RadioShack are registered trademarks used by Tandy Corporation. Supplied Earphone — lets you listen to the recorder without disturbing oth- ers.

  • Page 3: Table Of Contents

    14-1115.fm Page 3 Friday, January 8, 1999 10:31 AM CONTENTS Preparation... 4 Connecting Power ... 4 Using Internal Batteries ... 4 Using AC Power... 5 Using Vehicle Battery Power... 5 Using an Earphone ... 6 Listening Safely ... 6 Traffic Safety ... 6 Operation...

  • Page 4: Preparation, Connecting Power, Using Internal Batteries

    14-1115.fm Page 4 Friday, January 8, 1999 10:31 AM PREPARATION CONNECTING POWER You can power the CTR-108 from any of three power sources: • Internal batteries • Standard AC power (with the sup- plied power cord) • Your vehicle’s cigarette-lighter...

  • Page 5: Using Ac Power, Using Vehicle Battery Power

    AC power, plug the supplied power cord into the jack on the side of AC IN the CTR-108. Then plug the other end into a standard AC outlet. Cautions: • Always plug the power cord into jack before you plug it...

  • Page 6: Using An Earphone, Listening Safely, Traffic Safety

    14-1115.fm Page 6 Friday, January 8, 1999 10:31 AM USING AN EARPHONE For private listening, insert the sup- plied earphone’s -inch plug into the jack. DC IN 6V VOLUME Note: Connecting the earphone auto- matically disconnects speaker. Listening Safely To protect your hearing, follow these guidelines when you use the ear- phone.

  • Page 7: Operation, Loading A Cassette Tape, Playing A Cassette Tape

    14-1115.fm Page 7 Friday, January 8, 1999 10:31 AM OPERATION LOADING A CASSETTE TAPE 1. Take up any slack in the tape by turning one of the cassette’s hubs with a pencil. Caution: If you do not remove the excess slack, the tape could become tangled in the record/ playback mechanism.

  • Page 8: Recording, Using The Built-in Microphone, Using An External Microphone

    Using the Built-In Microphone 1. Load a blank cassette tape, or one you want to record over, into the cassette compartment. 2. Place the CTR-108 2 to 3 feet from the recording source. 3. Press to begin record- RECORD ing.

  • Page 9: Recording From A Connected Audio Source

    14-1115.fm Page 9 Friday, January 8, 1999 10:31 AM Note: If the external microphone has a separate, smaller plug for remote operation, insert that plug into the jack. Then you can use the microphone’s switch to stop or start recording. 3.

  • Page 10: Tape Tips, Recommended Tapes, Erasing A Cassette Tape, Preventing Accidental Erasure

    14-1115.fm Page 10 Friday, January 8, 1999 10:31 AM TAPE TIPS Recommended Tapes Tape quality greatly affects the quality of the recording. We recommend ex- tended-range or low noise Type 1 reg- ular length (60- or 90-minute) normal- bias cassette tapes. We do not recom- mend long-play cassette tapes such as C-120s because they are thin and can easily tangle.

  • Page 11: Restoring Tape Tension And Sound Quality

    14-1115.fm Page 11 Friday, January 8, 1999 10:31 AM 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 completely...

  • Page 12: Maintenance

    The following suggestions will help you care for your CTR-108 so you can enjoy it for years. Keep the CTR-108 dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits.

  • Page 13: Cleaning The Tape-handling Parts

    To help keep the cassette player work- ing at its best, clean the cassette play- er’s tape-handling parts after every 20 hours of use using a tape cleaning kit, such as Cat.

  • Page 14: Specifications

    14-1115.fm Page 14 Friday, January 8, 1999 10:31 AM SPECIFICATIONS CASSETTE PLAYER Track System ... 2-Track Monaural Tape Speed ... 4.75 cm/s Recording System ...AC Bias Frequency Response (@ 6 dB) ...125 Hz– 6.3 kHz Signal-to-Noise Ratio ... 40 dB Wow and Flutter (WRMS) ...

  • Page 15

    14-1115.fm Page 15 Friday, January 8, 1999 10:31 AM NOTES...

  • Page 16

    14-1115.fm Page 16 Friday, January 8, 1999 10:31 AM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers.

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