This manual covers the basic operation of the HT‑980 telephone, including tone/pulse selection, volume control, and the large‑ring indicator that signals incoming calls. It also lists service‑center contact information for various regions in Taiwan.
Installation guidelines advise careful handling of telephone wiring, and a troubleshooting section helps identify common faults such as line problems or device malfunction. Users are warned not to modify the unit themselves and to seek professional service when needed. This manual is written in Chinese.
| Tone/Pulse mode | Selectable |
|---|---|
| Large ring indicator | Present |
Use the TONE/PULSE switch to choose the desired dialing mode.
It lights up and sounds loudly when an incoming call is received.