The BBK HWDCD007(91)TSD is a 2.4 GHz communication unit designed for indoor and outdoor use, featuring voice transmission, volume control, mute, and night‑light functions. It can be powered from an external 220 V source or a built‑in rechargeable battery.
The manual covers safety precautions, installation steps, basic operation (power on/off, volume adjustment, mute, call handling), battery charging, and a detailed troubleshooting guide for common issues such as low battery, signal loss, and audio problems. This manual is written in Japanese.
| Frequency band | 2.4 GHz (95 channels) |
|---|---|
| Output power | S25 mW |
| Operating temperature | -10 °C to 140 °C |
| Relative humidity | 10 % to 95 % |
| Input voltage | 220 V / 50 Hz |
Connect the external power cable to the charging port of the base unit and plug it into a 220 V AC outlet.
Press the volume control keys to increase or decrease the sound, and press the mute key to silence the audio.