1715055 35 2017-08-30
Set the Safety Contour value to a water depth above what the vessel can safely navigate:
• 6 feet (1.8 meters)
• 16 feet (5 meters)
• 33 feet (10 meters)
• 66 feet (20 meters)
• All
• Off
When a Safety Contour value is set, the Maps screen
displays the areas with depths up to that value in shades
going from darker blue (for lower depths) to lighter blue (for
higher depths). The areas where depths are over the
selected value (navigable) will be displayed in white.
As an example, your vessel needs a water depth of 8 feet or
greater to safely navigate. Set the Safety Contour value at 16
feet. The Maps screen displays your safe navigating zones
as white areas. The shallow waters, less than 15 feet,
display as shaded areas.
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