Page 2 - FEATURES
2 FEATURES Your Optimus CTR-107 Portable Cassette Tape Re-corder has a lightweight, portable design that makesit perfect for recording lectures, interviews, businessmeetings, and speeches. The recorder’s voice activation feature lets you setthe recorder to automatically record only when it picksup s...
Page 4 - CONTENTS
4 CONTENTS Preparation ........................................................... 5 Connecting Power ........................................... 5 Using Internal Batteries ............................ 5Using AC Power ....................................... 8Using Vehicle Battery Power ................
Page 5 - PREPARATION; CONNECTING POWER; Using Internal Batteries
5 PREPARATION CONNECTING POWER You can power the CTR-107 from any of three powersources: • 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 internalbatteries. Using Int...
Page 8 - Using AC Power
8 Important: Your recorder is capable of using re-chargeable nickel-cadmium batteries. At the end ofthe batteries’ life, they must be recycled or disposedof properly. Contact your local, county, or state haz-ardous waste management authorities for informationon recycling or disposal programs in your...
Page 10 - Using Vehicle Battery Power
10 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 tipis set to negative, and its p...
Page 12 - USING THE EARPHONE; Listening Safely
12 USING THE EARPHONE To listen in privacy, insert the supplied earphone’s 1 / 8 - inch plug into the EAR jack. Note: Connecting the earphone automatically discon-nects the built-in speaker. Listening Safely To protect your hearing, follow these guidelines whenyou use the earphone. • Set the volume ...
Page 13 - Traffic Safety
13 • Once you set the volume, do not increase it. Over time, your ears adapt to the volume level,so a volume level that does not cause discomfortmight still damage your hearing. Traffic Safety Do not wear the earphone while operating a motorvehicle or riding a bicycle. This can create a traffichazar...
Page 14 - OPERATION; LOADING A CASSETTE TAPE
14 OPERATION LOADING A CASSETTE TAPE Note: Metal tapes are not recommended for use withthis cassette player. 1. Take up any slack in the tape by turning one of the cassette’s hubs with a pencil. Do not touchthe tape. Caution: If you do not remove the excess slack,the tape might become tangled in the...
Page 16 - PLAYING A CASSETTE TAPE
16 PLAYING A CASSETTE TAPE 1. Load the cassette tape. 2. Press PLAY . The cassette plays until it reaches the end of the side, then it automatically stops. Note: Press PAUSE to temporarily stop playback. Press PAUSE again to resume playback. 14-1112.fm Page 16 Thursday, July 1, 1999 1:05 PM
Page 19 - Using the Tape Counter
19 Using the Tape Counter You can use the tape counter to help you find specificlocations on the tape. At the beginning of a tape, press the reset button toreset the tape counter to 000. Then note thecounter’s reading at the beginnng of each selection. To return to a selection, fast-forward or rewin...
Page 20 - RECORDING
20 RECORDING Notes: • Before you load a cassette tape for recording, be sure its erase-protection tabs are in place (see“Preventing Accidental Erasure” on Page 25). • The recorder’s Automatic Level Control (ALC) circuit automatically adjusts the recording level. VOLUME has no effect on recording. 1....
Page 22 - Using an External Microphone
22 4. Press STOP/EJECT to stop recording before it automatically stops at the end of the tape side. Using an External Microphone You can connect an external microphone (not sup-plied) with a 1 / 8 -inch plug to the CTR-107. The proper microphone to use with this recorder is Cat. No. 33-3014. Its mic...
Page 24 - TAPE TIPS; Recommended Tapes
24 TAPE TIPS Recommended Tapes Tape quality greatly affects the quality of the record-ing. We recommend extended-range or low noiseType 1 regular length (60- or 90-minute) normal-biascassette tapes. We do not recommend long-play cas-sette tapes such as C-120s because they are thinand can easily tang...
Page 25 - Preventing Accidental Erasure
25 If you need to erase an entire cassette, you mightprefer using a bulk tape eraser, available at your localRadioShack store. Preventing Accidental Erasure Cassette tapes have two erase-protection tabs —one for each side. When a tab is in place, you canrecord on that side. To protect a recording fr...
Page 28 - MAINTENANCE
28 MAINTENANCE Your Optimus CTR-107 Portable Cassette Tape Re-corder is an example of superior design and crafts-manship. The following suggestions will help you carefor your CTR-107 so you can enjoy it for years. • Keep the CTR-107 dry. If it gets wet, wipe it dry immediately. Liquids can contain m...
Page 33 - SPECIFICATIONS; CASSETTE PLAYER
33 SPECIFICATIONS CASSETTE PLAYER Tape System .................................. 2-Track Monaural Tape Speed ...................................................1 7 / 8 in/s Wow and Flutter (WRMS) ...............................0.35% Signal-to-Noise Ratio ...................................... 35 dB ...
Page 34 - NOTES
34 NOTES 14-1112.fm Page 34 Thursday, July 1, 1999 1:05 PM