This file introduces the operation method of S640 recorder, mainly including recording, playback, clock, alarm clock, file deletion, communication and other functions
This manual describes the main functions of the VASO voice recorder, including recording modes (HQ, SP, LQ), playback, volume control, and timer settings. It also covers file management such as deleting individual or all files and converting audio formats.
Additional sections provide guidance on battery usage, operating temperature limits, safety warnings, and specifications such as flash memory capacity, maximum output power, and frequency response. This manual is written in Japanese.
| Flash Memory Capacity | 8 MB, 16 MB, 32 MB |
|---|---|
| Maximum Output Power | 80 mW |
| Maximum Number of Segments | 127 |
| Operating Temperature | 0 °C to –40 °C |
| Frequency Response | 500 Hz – 3500 Hz |
| Distortion | < 0 % |
| Recording Time (HQ / SP / LQ) | 45 min / 90 min / 180 min |
Press the REC/STOP key for about one second to begin recording.
Press the DEL key for two seconds; the display will show “ERASE” and the file will be removed.
Use the VOL+ and VOL‑ keys to increase or decrease the playback volume.