The manual describes the main features of the BBK telephone, including dual‑mode FSK/DTMF compatibility, night‑light function, and IP‑based intercom capabilities. It also gives detailed installation instructions such as connecting the base unit to a 220 V AC source and preparing the handset battery.
Operational procedures cover handset handling, volume control, dialing, and using the hands‑free function. The document ends with a troubleshooting section that lists common faults, battery‑charging tips, and how to restore normal operation when communication issues occur. This manual is written in Chinese.
| Base unit power | 20 mW |
|---|---|
| Handset power | <20 mW |
| Operating frequency | 45/48 MHz |
| Power supply (base unit) | 220 V 50 Hz AC |
Connect the base unit to a 220 V 50 Hz AC source, attach the handset connector, and follow the step‑by‑step wiring diagram shown in the installation section.
Insert the supplied charging battery, charge for about 15 hours until the indicator light turns off, then the handset is ready for use.
Check the battery level and recharge if necessary; ensure the handset is within the specified distance from the base unit and that the connection pins are clean.