nt900

nt900

Product catalog summary
Overview: The document describes a NAVTEX receiver designed for reliable reception of navigational messages, even in the presence of strong local broadcasts. It features a wide dynamic range and high sensitivity, with options for different antenna types to suit various vessel sizes and reception needs.
Specifications: The receiver operates at a frequency of 518 kHz using a straight amplifier with frequency discriminator. It offers selectable input impedance and protection against RF input. The receive mode includes forward error correction, with sensitivity better than 1µV at the antenna input. It complies with EN 60945 for spurious emissions and features a thermal moving-head printer capable of printing over 250,000 characters per roll.
Features: The receiver includes a user-friendly interface for programming desired stations and message categories, automatic printing of critical safety information, and storage of 128 message IDs to prevent duplicate printouts. It supports universal text format output and optional audio interface for additional message reception. A self-diagnostic function ensures hardware and software integrity.
Certifications: The device is CE Mark- and Wheel Mark-certified, compliant with IMO-GMDSS resolutions, and type-approved by various authorities including CCS, FCC, NK, and RMRS.
Construction: The receiver is housed in a durable aluminum die-cast cabinet, designed to withstand harsh marine environments. It operates within a wide temperature range and has specific power requirements.
Options: Available options include a remote alarm box, external receiver interface, and a shorter whip-type antenna for reduced performance needs.
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Catalog excerpts

nt900-1

NAVTEX RECEIVER MAIN FEATURES: A wide dynamic range/high sensitivity receiver assures reliable reception of NAVTEX messages in the presence of strong local IF and MF broadcasts on adjacent frequencies. An efficient, static discharge-protected whip-type active antenna is supplied as standard, permitting limited space installation without sacrificing sensitivity. If preferred, a long-wire antenna can also be connected in place of the whip. For small vessels that do not requie long distance reception, a 60 cm long whip type active antenna with reduced receiving performance is optionally available. User-friendly man-machine interface makes the equipment easily programmable to receive only desired stations and message categories while allowing automatic printing of SAR, urgent weather warnings and other vital information on navigational safety. Stores a total of 128 received message IDs to avoid repeated printout of the same messages, thereby saving recording paper. Received messages can be output in universal text format via a devoted connector for use in onboard or shore-based applications. An optional audio interface board allows printout of NAVTEX messages received on other onboard communi- cations receiver. A built-in comprehensive self-diagnostic function checks hardware and software integrity and prints test results in an easy-to-understand format in the remote event of questionable performance. CE Mark- and Wheel Mark-certified and compliant fully with relevant IMO-GMDSS resolutions. type-approved by CCS, FCC, NK, RMRS and other government authorities. Honsed in a heavy-duty aluminum die-cast cabinet to withstand exacting marine environments. •Receive frequency: 518 kHz ©Type of receiver: Straight amplifier with frequency discriminator «Input Impedance: 50Q (active whip) or 10Q+150 pF (long wire), selectable «Input Protection: 30V rms of RF input ©Receive Mode: F1B with forward error correction (ITU-R Ree. 476-3, 540-1 and 625 B-mode) •Sensitivity: Better than 1|xV at antenna input for 1 % of character error •Spurious Emission: Compliant with EN 60945. •Printer: Thermal moving-head 5X7 dot matrix, 42 characters/line (more than 250,000 characters printable per roll) •Recording Paper: Thermo-sensitive, 112 mmX25m/roll «Data Output: 7-bit ASCII character with non-parity and 1 stop bit at 4800 baud, available via rear panel standard BNC connector •Power Requirements: 10.5 to 40 VDC, approx. 6W (cabinet), 8 VDC, approx. 10 mA (antenna, automatically supplied via rear panel M-type coax connector •Operating Temperature Range: -15 to 55°C (cabinet, without condensation), -20 to 60°C (antenna) •Storage Temperature Range: -25 to 70°C (cabinet), -40 to 70°C (antenna) •Weight: Approx. 4 kg with paper roll installed (cabinet), 830g (antenna with 10m RG-58/U cable attached) •Dimensions: 250(W)X100(D)X140(H) mm ( cabinet, less mounting bracket), 1.2m+240mm (total active antenna length) •Options: Remote alarm box (visual only), External receiver interface (AF level), 60 cm-long whip type active antenna (with reduced receiver performance) NOTE: Specifications, except for those stipulated in relevant international regulations/recommendations, are subject to change. 36-2-1001 Udagawa-cho, Shibuya-ku, Tokyo, 150-0042 Japan Phone: (03)3461 -3606 / Telefax:(03)3496-2078 E-mail: [email protected]

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.