The document provides a description of the features and characteristics of the products.
This manual explains the features and caller ID service information, shows the appearance and part names, and provides step‑by‑step installation instructions. It also covers pre‑use settings such as time/date configuration, brightness adjustment, and anti‑interference functions.
Further sections describe telephone function operation, specifications, simple maintenance, common fault troubleshooting, and power usage guidelines, along with warranty and service contact details. This manual is written in Chinese.
| Power source distance | Keep power source within 20 cm of the device |
|---|---|
| Battery warranty | 3 months for rechargeable batteries |
Open the battery cover, insert new batteries with the correct polarity, and ensure the battery type matches the specifications.