NAVITWIN IV
Heading Management System
Main Features
- Monitors and controls all heading sources of a multicompass heading reference system.
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- Displays up to three gyrocompass / THD headings and one magnetic compass heading.
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- Shows the current heading from all available heading sources on a color TFT LCD (thin film transistor liquid crystal display) and allows the operator to select from these an active heading source for distribution to subscribers such as repeaters, autopilots, radars, ECDIS, etc.
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- Monitors the difference between any two of the displayed headings. If the difference between the two headings exceeds a user-defined preset threshold, an audible and visual Heading Difference Alarm is actuated.
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- Monitors the difference between the heading from the active heading source and the set heading (course to steer) on the autopilot. If the difference between the two headings exceeds a user-defined preset threshold, an audible and visual Off Heading Alarm is actuated.
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- Accepts an automatic set heading input from an autopilot or a manual input.
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- Reads the sine and cosine analogue signals from a Sperry Marine magnetic compass flux gate and converts these into magnetic heading data in NMEA format.
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- Provides automatic correction for magnetic variation and deviation.
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- Has been type approved to EC Council Directive 96 / 98 / EC by BSH.
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