The BBK BK-905 is a portable audio player with multiple playback modes, speed‑change functions, and high‑fidelity options. This manual explains how to install the AAA batteries, connect the AC power source, and operate the device safely.
Key sections cover safety precautions, battery installation, charging instructions, playback and speed‑change controls, high‑fidelity switching, and troubleshooting tips. Follow the guidelines to ensure reliable operation and avoid damage. This manual is written in Japanese.
| Battery type | AAA |
|---|---|
| Charging voltage | 220 V AC |
Connect the device to a 220 V AC source; the unit will automatically stop charging when the battery is full.
Use AAA batteries only and do not mix new and old batteries or different types.
No, organic solvents must not be used to clean the device body.