Key facts
- Brand
- Yamaha
- Model
- MD4S
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-07-02
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Yamaha MD4S Multitrack MD Recorder Owner's Manual
The document is an Owner's Manual for the Yamaha MD4S, a multitrack MiniDisc (MD) recorder. It covers essential safety information, including FCC compliance notices, laser product classifications, and general precautions regarding power cords, ventilation, and environmental conditions to prevent fire or electrical shock hazards.
Key sections include warnings against modifying the unit, inserting foreign objects into disc slots, or exposing the device to liquids. The manual also details specific installation requirements, such as maintaining 10 cm of free space on sides and behind for proper ventilation, and provides guidance on connecting power cords according to local wiring codes.
Yamaha MD4S specifications
| Laser material | GaAlAs |
|---|---|
| Laser wavelength | 780‑790 nm |
| Laser output power | < 44.6 mW |
| Maximum recording time (4‑track) | 37 minutes |
| Number of MIC/LINE inputs | 4 |
All Yamaha MD4S documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the minimum free space required around the unit for normal ventilation?
You must allow at least 10 cm of free space on both sides and 10 cm behind the unit.
What happens if ventilation holes are blocked?
Blocked ventilation holes are a fire hazard because they may cause the unit to heat up inside.
What type of laser does the MD4S use?
It uses a Class 1 laser with a GaAlAs diode, wavelength 780‑790 nm and output power less than 44.6 mW.
How many tracks can be recorded simultaneously?
The MD4S can record up to four tracks at the same time in 4‑track mode.