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Alarms |
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NT920WA Watch Alarm
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- Most often used in conjunction with Navitron Autopilots
- Suitable for an enclosed bridge or wheelhouse
- Consecutive 4 minute periods followed by a low level alarm if not reset
- High level audible alarm follows 60 seconds of low level alarm if not reset
- A two way built in Power Fail alarm will immediately sound at the emergency high level in the event of autopilot power supply or watch alarm internal battery failure.
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NT990BNWAS Watch Alarm
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 Brochure |
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- Full Type Approved Bridge Navigational Watch Alarm System combining Power Fail and Error Management Alarms with adjustable (3 - 12 mins) timing periods for vessels of all types.
- The completion of the specified timeout period will automatically generate a visual alarm followed by an audible alarm cancelled by operating the reset button.
- Failure to reset the system during the visual or audible alarm results in an automatic 'Officer Call' alarm which if not acknowledged activates a 'Crew Call' alarm.
- In the event of a sudden crisis situation requiring immediate Officer assistance, the NT990BNWAS also features an 'Emergency Call' facility
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NT925OCA/1 Off Course Alarm
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Brochure |
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- Primarily intended for use as an independently referenced course monitor, dual heading input ports are standard and can be connected to accept:
- Magnetic information derived from a heading sensor coil attached above or below an existing ships compass and / or
- A range of NMEA 0183 heading sentences derived from proprietary sources such as GPS compasses and Gyrocompasses.
- Whilst only one heading input is essential, dual inputs will provide a back up system where either input maybe chosen as the primary or secondary heading reference.
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NT925OCA/2 Off Course Alarm
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Brochure |
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- Designed for use as an independently referenced Off Course Alarm it includes a Course Comparator Alarm that may be enabled or disabled during installation as required.
- The NT925OCA / 2 features dual NMEA 0183 heading input ports that are essential for the Course Comparator function that continuously monitors and compares the two sets of NMEA data received.
- In the event of excessive differences between the data received the alarm is activated.
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