This manual explains how to install the Sanyo TEL381 telephone, including battery installation (three 9 V batteries) and connection of the handset to the main unit. It details the operation of keys, volume control, LCD brightness adjustment, and special functions such as long‑distance lock and ringtone settings.
Safety warnings cover proper ventilation, avoiding water exposure, correct battery polarity, and precautions when the device is not in use. The document also lists regulatory compliance information and service contact details. This manual is written in Chinese.
| Battery type | 3 × 9 V batteries |
|---|
Select the LCD brightness option in the settings menu to change the display brightness.