This manual provides step‑by‑step instructions for using the Sampo MK‑631C/641C/651C walkman. It explains safety precautions, how to install batteries, power the device, navigate playback controls, select audio effects, and manage playback modes such as repeat and random.
The guide also covers data transfer between the walkman and a computer, firmware upgrade procedures, troubleshooting FAQs, and specifications like storage capacity, supported audio formats, USB interface, and operating temperature. This manual is written in Chinese.
| Storage capacity | 12 MB / 1 GB / 2 GB (see packaging) |
|---|---|
| Supported music formats | MP3, WAV (IMA ADPCM) |
| USB interface | USB 2.0 |
| Supported operating systems | Windows 98 / ME / 2000 / XP |
| Display | Seven‑color LCD |
| Battery life (approx.) | 12 MB ≈ 32 h, 1 GB ≈ 64 h, 2 GB ≈ 128 h |
| Audio output | Headphone jack, 8 Ω minimum |
| Operating temperature | 0 °C – 40 °C |
| Battery type | 4 × AA (4号) batteries |
Only MPEG‑1/2 Layer III MP3 files are supported; other MP3 variants are not recognized.
The walkman’s internal software reserves a small portion of the memory, so the OS shows slightly less than the total capacity.
Only IMA ADPCM encoded WAV files are playable; other WAV codecs are not supported.
Format the device with the supplied software; this removes fragmented data that slows playback.