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recording system | 4-track 2-channel monaural |
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frequency response | 250 to 4, 000 Hz (at 2.4 cm/s) |
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power output | 150 mW (at 10 % harmonic distortion) |
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power requirements | 3 V DC batteries size AAA (R03) × 2/External DC 3 V power sources |
battery life with alkaline batteries | Approx. 7.5 hours |
battery life with rechargeable battery | Approx. 1.5 hours after charged for 5 hours |
dimensions | Approx. 60 × 122 × 23.4 mm (w/h/d) |
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weight | Approx. 155 g |
weight with batteries and cassette | Approx. 185 g |
recording system | 2-track 1-channel monaural |
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frequency response | 300 to 3, 500 Hz (at 2.4 cm/s) |
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power output | 150 mW (at 10 % harmonic distortion) |
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power requirements | 3 V DC batteries size AAA (R03) × 2/External DC 3 V power sources |
battery life with alkaline batteries | Approx. 7.5 hours |
battery life with rechargeable battery | Approx. 1.5 hours after charged for 5 hours |
dimensions | Approx. 60 × 122 × 23.4 mm (w/h/d) |
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weight | Approx. 155 g |
weight with batteries and cassette | Approx. 185 g |
Guidance on selecting and using power sources like dry batteries or rechargeable batteries.
Instructions for charging the rechargeable battery pack BP-43.
Information on using the AC power adaptor for continuous operation.
Steps and considerations for correctly inserting a microcassette tape.
Detailed steps for recording dictation using the unit's internal microphone.
How to add electronic index signals for easier transcription on BM-577.
Connecting external microphones or telephone adaptors for recording.
Instructions for operating playback functions like listen, stop, fast forward, and rewind.
Advice for organizing thoughts and dictating effectively for transcription.
Safety guidelines regarding power sources, heat, sunlight, dust, and magnetic fields.
Handling liquid spills, using correct tape types, and tape speed selection.
Instructions for cleaning the tape heads, pinch roller, and capstan.
Guidance on cleaning the unit's exterior surface.