The NX-300 receives NAVTEX messages and verifies the ID of received messages. It features two narrowband receivers, one tuned to the 518 kHz international Navtex frequency and the other to the 490 kHz domestic or local country frequency.
📡 MAIN DETAILS
🧭 Function
- Receives NAVTEX safety messages
- Includes:
- Navigational warnings
- Weather forecasts
- Search & Rescue (SAR) alerts
- Marine safety information
Technical Specification
🌊 ⚓ Furuno NX-300 Technical Specifications
📡 GENERAL RECEIVER
- Type: NAVTEX receiver (paperless digital display)
- Receiving Frequencies:
- 518 kHz (International English NAVTEX)
- 490 kHz (Local/Regional language NAVTEX)
- Reception Mode: F1B (narrowband NAVTEX modulation)
- Sensitivity: approx. 2 µV e.m.f. (50Ω, 4% error rate)
🖥️ DISPLAY UNIT
- Display Type: Monochrome LCD
- Screen Size: 4.5 inch (approx. 95 × 60 mm)
- Resolution: 120 × 64 pixels
- Display Modes:
- Message Selection Mode
- Message Display Mode
- NAV Data Mode
💾 MEMORY
- Message Storage Capacity:
- ~28,000 characters (about 100+ messages)
- Backup Memory: Lithium battery backup for stored messages
📶 ANTENNA SYSTEM
- Type: H-field loop antenna (NX-3H series)
- Impedance: 50 ohms
- Power Supply (antenna unit): +5 V DC
- No grounding required (important for small ships)
🔌 INTERFACE / CONNECTIVITY
- NMEA 0183 input: GPS data (GGA, GLL, RMB, ZDA)
- RS-232C output: PC / printer connection
- Baud Rate: 4800 bps
⚡ POWER SUPPLY
- Input Voltage: 12 – 24 V DC
- Power Consumption: ~3 W (low power marine device)
📍 NAVTEX MESSAGE CATEGORIES
Receives standard SOLAS safety messages:
- Navigational warnings
- Meteorological warnings
- Search & Rescue (SAR)
- Ice reports
- Weather forecasts
- Pilot messages
- Marine safety notices
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