This manual describes the features of the Sampo caller ID display telephone, including installation requirements, power connections, and the functions of the master and sub units. It explains how to connect the device to the telephone line, charge the internal battery, and verify successful installation.
The guide also covers configuration settings such as time and date adjustment, area‑code programming, volume control, and emergency call functions. A troubleshooting section lists common problems and step‑by‑step remedies. This manual is written in Chinese.
| Power supply voltage | 110 V DC |
|---|---|
| Battery voltage | 9 V |
| Charging current | 7.3 A |
In standby press the [侯吝舍] button to enter area‑code setting, then use the navigation keys to select the three‑digit code for your region and confirm with the save button.