Furuno GP-3700F, Operator'S Manual

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2. PLOTTER DISPLAY OVERVIEW
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2.1.3 Compass display
The compass display, displayed at the top of the screen in a horizontal split 1:1
screen, provides steering information toward a destination.
Compass indicator
The blue inverted triangle ( ) shows the bearing to the destination waypoint, and the
blue arrow ( ) shows own ship course.
Note: The course means the direction of own ship’s movement, not the direction of
heading. The course includes the affect of current and wind.
Depth and water temperature graphs
The depth and water temperature graphs, which require appropriate sensors, show
the latest 10 minutes of depth and water temperature data. The range of the depth
graph is 50 feet and it is automatically adjusted with depth.
XTD (Cross track distance) monitor
The own ship mark ( ) shows ship’s cross-track distance from the intended course.
The mark is shown in black when the amount of cross-track distance is within the XTD
monitor range, and hollow when it is over. An arrow appears at the right or left side of
the XTD monitor and it shows the direction to steer to return to the intended course.
The arrow points left and is red when you should steer left, and points right and is
green when you should steer right. To maintain course, steer the vessel so the own
ship mark stays at the center of the XTD monitor.
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Destination waypoint
Range to destination waypoint
Time-to-go to
destination
waypoint
Estimated time of
arrival at destination
waypoint
Own ship’s
course (blue)
Depth graph
Bearing to destination
waypoint (blue)
Water temperature
graph (Requires water
temperature sensor.)
Arrow is shown in green when
direction to steer is right. Arrow is shown in red when
direction to steer is left.
XTD (Cross-track distance)
(Own ship mark in black)