8. Vector Chart Material
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For TWO COLOR, the chart display uses only two colors:
• Deeper than safety contour
• Shallower than safety contour
Boundaries: Set how to display boundaries of some chart features. The options are:
• Plain: The line styles are limited to plain solid and dashed lines.
• SYMB: Some of the line styles use symbols to highlight the purpose of a line.
Light sector: Set how to display light sectors. The options are:
• Limited: The length of a light sector is fixed at 25 mm independently of the displayed scale.
• Full: The length of a light sector represents its nominal range as defined by the chart producer.
Shallow pattern: Set how to display shallow water area. The options are:
• None
• Diamond: Provided to distinguish shallow water at night..
Update Highlight: Set how the updates are highlighted on the screen before they are approved by the user. The
options are
• Detailed: The system tries to highlight updates so that only those objects that have visible changes are
highlighted. Use this option to see the practical change of an update.
• All effects: The system highlights updates so that all the objects pertaining to updates are highlighted
although some of them have not been changed.