This document is a product manual, introducing the use and maintenance methods of a certain brand and model product
This manual covers the features of the Kolin KTP-506L caller‑ID wired telephone, its physical layout, and the parts identification. It guides users through installation, battery insertion, and initial configuration such as time, date, and ringtone settings.
Detailed sections explain phone functions like answering, dialing, memory storage, alarm, do‑not‑disturb, local area code, and IP settings. The document also includes specifications, emergency handling, maintenance tips, and a troubleshooting guide for common issues. This manual is written in Chinese.
| Dialing system | DTMF |
|---|---|
| DTMF high‑frequency group | 1209/1336/1477 Hz |
| DTMF low‑frequency group | 697/770/852/941 Hz |
| DTMF frequency error | ±1.5 % |
| Incoming display system | FSK/DTMF dual‑mode |