The Sanyo TEL507 is a chord telephone designed for residential use, featuring an LCD display, multiple programmable keys, and optional DC power supply. It operates on three 1.5 V batteries or an external 9 V DC adapter.
This manual covers installation of batteries and power adapter, detailed key functions, date/time configuration, volume and ringtone settings, troubleshooting steps, safety warnings, and service contact information. This manual is written in Chinese.
| Battery type | Three 1.5 V batteries |
|---|---|
| Manufacture year | 2006 |
| Country of origin | China |
Open the battery cover and insert three 1.5 V batteries, observing the correct polarity.
In standby mode press the designated keys (e.g., 4‑digit key sequence) to access the date/time setting screen, then enter the values.