The NR-50 is a device for maritime safety communications. It can receive alerts from international and domestic NAVTEX services.
This manual provides a complete overview of the SARACOM NR-50 Navtex receiver, including system introduction, theoretical features, message formats, and the composition of the device. It also details the installation steps for antenna, power supply, and external alarm box, as well as troubleshooting procedures.
The document includes safety warnings, frequency information for both domestic (490 kHz) and international (518 kHz) NAVTEX services, and performance data such as reception range. Appendices list NAVTEX coast stations and contact information for SARACOM.
| Supported domestic frequency | 490 kHz |
|---|---|
| Supported international frequency | 518 kHz |
| Reception range | 250–400 nautical miles |
The NR-50 receives domestic NAVTEX service on 490 kHz and international NAVTEX service on 518 kHz.
The manual warns not to open the equipment and to disconnect power immediately if smoke or fire occurs.
NAVTEX provides international automated direct‑printing service for maritime safety information such as warnings and search‑and‑rescue messages.