3. MAINTENANCE & TROUBLESHOOTING

3.3Troubleshooting

This section provides simple troubleshooting procedures which the user can follow to restore normal operation. If you cannot restore normal operation do not attempt to check inside the unit. Any trouble should be referred to a qualified technician.

If . . .

then . . .

 

-ask serviceman to replace the blown

you cannot turn on the power

fuse.

-check battery for proper voltage

 

 

output.

the equipment receives unwanted

confirm that “Manual” is chosen at

messages.

Receive Mode on the NAVTEX menu.

 

check equipment by the diagnostic

 

test.

NAVTEX signal cannot be received.

check the broadcasting schedule.

check that the D-sub connector is

 

firmly fastened.

 

check that the antenna cable is firmly

 

fastened.

paper does not advance. (NX-700A only)

load paper correctly.

paper feeds but no recording. (NX-700A

check if correct thermal paper is being

only)

used.

paper has darkened. (NX-700A only)

keep the paper in a well-ventilated and

cool place.

 

 

check the setting of Printer on the

 

System menu.

the recording is not proper for the external

check the printer cable.

check that the power of printer is

printer. (NX-700B only)

turned on and status is

 

“SELET/READY”.

 

check that the printer is available.

 

check that paper is set properly.

3-4

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Furuno NX-700A manual Troubleshooting, Selet/Ready

NX-700A specifications

The Furuno NX-700A is an advanced navigation system designed specifically for professional mariners and commercial vessels. Known for its robust performance and precision, it integrates state-of-the-art technology to enhance safety and efficiency at sea. One of the most notable features of the NX-700A is its dual-channel frequency system, which allows for improved target detection and tracking capabilities. This dual-channel operation ensures that the system can differentiate between multiple targets, reducing the risk of collisions and enhancing situational awareness.

Another significant aspect of the NX-700A is its high-resolution display. The system is equipped with a large LCD screen that provides clear and detailed graphical representations of surrounding waters, including navigational aids and potential hazards. The intuitive interface allows for easy operation even in challenging conditions, ensuring that crews can concentrate on their primary task: safe navigation.

Further enhancing the usability of the NX-700A is its advanced GPS functionality. The system employs multi-GNSS (Global Navigation Satellite System) technology, enabling it to obtain accurate position fixes from various satellite constellations, including GPS, GLONASS, and BeiDou. This capability ensures that mariners receive reliable positioning data regardless of their location, which is crucial during navigation in remote areas.

The NX-700A also features robust connectivity options, including NMEA 2000 and NMEA 0183 support. This allows the system to interface seamlessly with other onboard equipment, such as autopilots, engine monitoring systems, and electronic chart plotters. Such integration enhances operational efficiency and aids in maintaining a central command point for navigation.

Marine safety is further bolstered with the NX-700A's built-in man-overboard function, which provides rapid and precise positioning information in emergency situations. The system can also store critical navigational data, which can be accessed quickly during emergencies, contributing to enhanced safety protocols on board.

In summary, the Furuno NX-700A is a sophisticated navigation solution that combines high-resolution displays, advanced GPS technology, dual-channel frequency systems, and robust connectivity. Whether used in fishing vessels, cargo ships, or pleasure yachts, the NX-700A stands out as a reliable tool for enhancing maritime safety and navigation efficiency. With its user-friendly interface and essential features, it embodies the modern requirements of marine navigation technology.