The BT Graphite 1500 is a digital cordless telephone answering machine with various features, including 12 minutes of digital recording time, remote access to messages, caller display, handsfree functionality, phonebook, last number redial, and support for multiple handsets.
This guide walks you through getting started with the BT Graphite 1500, including connecting the base to mains power, inserting the rechargeable AAA batteries, charging the handset, and registering handsets. It also explains how to connect the telephone line, set the answering‑machine date and time, and adjust volume and ringer settings.
The manual then details everyday use: making and receiving calls, hands‑free operation, call‑waiting, internal calls, phonebook management, caller display, alarm clock functions, and remote access to the answering machine. Safety information, warranty terms, technical specifications, and regulatory compliance are provided at the end of the document.
| Digital recording time | Up to 12 minutes |
|---|---|
| Handset range (outdoors) | Up to 300 m line‑of‑sight |
| Handset range (indoors) | Up to 50 m |
| Talk time (battery) | Up to 10 hours |
| Standby time (battery) | Up to 100 hours |
| Maximum handsets per base | 5 handsets |
| Battery type | 2 × AAA NiMH rechargeable |
| Ringer Equivalence Number (REN) | 1 (total allowed 4) |
You can use up to five handsets with a single base and one telephone line.
The device can record up to 12 minutes of digital audio.
The rechargeable batteries provide up to 10 hours of talk time and about 100 hours of standby time.
The handset works up to 300 m outdoors with a clear line of sight, and about 50 m indoors or when obstacles are present.