DEVICE: NAVTEX
BRAND: FURUNO
TYPE: NX-700
FURUNO NX-700 NAVTEX Receiver
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Specifications:
NX-700 NAVTEX RECEIVER
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Receiving Frequencies: 518 kHz and 490 kHz (or 4209.5 kHz), capable of simultaneous reception
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Mode of Reception: F1B
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Sensitivity: 2 μV e.m.f. (50 Ω), ≤4% error rate
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Input Protection: Withstands 30 Vrms for 15 minutes or more (with pre-amp unit)
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Spurious Emission: ≤1 nW
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Message Categories:
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A: Navigational warning
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B: Meteorological warning
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C: Ice report
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D: Search and rescue / piracy & armed robbery
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E: Meteorological forecast
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F: Pilot message
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G: AIS
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H: LORAN-C message
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I: Reserved (not used)
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J: SATNAV message
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K: Other electronic navigational aid system message
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L: Additional navigational warning
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M–Y: Reserved (not used)
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Z: QRU (no message on hand)
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DISPLAY UNIT
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Display: 5-inch monochrome LCD, 240 x 320 dots (76 W x 100 H mm)
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Display Modes: Message selection, Message display
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Message Storage: 200 messages x 2 channels (100,000 characters per channel)
PRINTER SECTION (NX-700A Only)
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Printing System: Line thermal head
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Paper: Thermal paper (58 mm x 30 m)
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Printing Width: 48 mm
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Character Format: 24 x 12 dot
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Dot Pitch: 8 dots/mm
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Characters per Line: 32
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Print Speed: Approx. 20 mm/sec
ANTENNA UNIT
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Type: NX-7H H-field antenna
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Output Impedance: 50 Ω
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Power Supply: +7 V to +9 V (through coax cable)
INTERFACE
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Input Data: IEC61162-1, -2 (GGA, GLL, RMC, ZDA, ACK, GNS, VHW, VTG, VBW, NRM, CRQ, PFEC)
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Output Data: NRX, ALR, NRM
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Alarm: Normally closed contact, floating, max 80 mA, 50 V for SAR alert
POWER SUPPLY
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NX-700A: 12–24 VDC, 1.5–0.8 A
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NX-700B: 12–24 VDC, 0.7–0.4 A
ENVIRONMENTAL CONDITIONS
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Ambient Temperature:
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Antenna Unit: -25°C to +70°C
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Receiver / Display Unit: -15°C to +55°C
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Relative Humidity: 95% at 40°C (without condensation)
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Waterproofing:
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Antenna Unit: IP66
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Receiver / Display Unit: IP20 (NX-700B front panel: IP25)
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Vibration: 2–5 Hz and up to 13.2 Hz, ±1 mm ±10% (max 7 m/s² at 13.2 Hz); 13.2–100 Hz max acceleration 7 m/s²
