This manual covers the features of the BBK landline telephone and its cordless handset, including installation, configuration of call‑display, ringtone selection, LCD brightness, date/time settings, and how to make and receive calls. Detailed procedures for pairing the handset with the base, charging the battery, and adjusting various settings are included.
The document also lists technical specifications, safety guidelines, and a troubleshooting section that addresses common issues such as no ringing, noise, and handset charging problems. This manual is written in Chinese.
| Relative humidity | 10%~85% |
|---|---|
| Transmit power (base) | 20 mW |
| Transmit power (handset) | <20 mW |
| Modulation | FSK/DTMF dual‑mode |
| Ringing sound level (handset) | >55 dB(A) |
No ringing is usually due to a poor connection at the junction box or a broken telephone line, or the handset/base being in “Do Not Disturb” mode. Check the wiring and ensure the device is not set to silent.