This is a document about the product overview of the 'XYZ' product. The product has the following features: 1. It is a smart home product. 2. It can connect to the Internet. 3. It can be controlled by a mobile phone app.
This manual explains how to install and set up the Wonder TC-102 wired telephone, including battery installation, line connection, and initial configuration of time, ringtone, alarm and other features. Detailed instructions cover each menu option accessed via the setting key and numeric keys.
It also lists the technical specifications of the phone, such as dialing system, call‑display capabilities, contrast levels and IP settings, and provides simple maintenance guidance and a troubleshooting section for common issues like no display or no sound. This manual is written in Chinese.
| Dialing system | DTMF |
|---|---|
| DTMF frequency error | ±1.5% |
| Call display reception | FSK/DTMF dual |
| IP setting options | OFF, IP1, IP2, … |