Optimus CTR-109 User Manuals

Table of Contents

• Preparation

  5
• Connecting Power

  5
• Using Internal Batteries

  5
• Using AC Power

  6
• Using Vehicle Battery Power

  6
• Using an Earphone

  7
• Listening Safely

  7
• Traffic Safety

  7
• Operation

  8
• Loading a Cassette Tape

  8
• Playing a Cassette Tape

  8
• Recording

  9
• Using the Built-In Microphone

  9
• Using an External Microphone

  10
• Recording from a Connected Audio Source

  10
• Using the Tape Counter

  11
• Tape Tips

  11
• Recommended Tapes

  11
• Erasing a Cassette Tape

  11
• Preventing Accidental Erasure

  12
• Restoring Tape Tension and Sound Quality

  12
• Maintenance

  13
• Cleaning the Tape-Handling Parts

  14
• Specifications

  15