Section 8 Monitoring a Dragging Anchor 8-2
8.1 Setting a Dragging Anchor
Monitoring Area
This section describes the setting of a dragging anchor monitoring area.
The setting varies depending on whether the shape of the dragging anchor area is a circle or a
polygon.
[Operation procedure]
Open the Dragging Anchor Monitoring screen by performing the following menu operations.
[Menu] button → Anchor Watch
8.1.1 Setting a dragging anchor monitoring circle
1 Select [Circle] from the [Mode] (dragging anchor monitoring mode) combo box.
2 Enter the centre position and size of the dragging anchor monitoring area.
[Position]: Input latitude in the input box.
Input longitude in the input box.
[Radius]: Input a radius of the circle in the input box.
Input range: 10 to 1500 m
8.1.2 Setting a dragging anchor monitoring
polygon
1 Select [Polygon] from the [Mode] (dragging anchor monitoring mode) combo box.
2 Click on the [New] button.
The data of the [Point] (vertex) list is cleared.
3 Place the cursor on the chart.
4 Create a polygon by dragging the cursor on the chart.
By inputting position coordinates (longitude and latitude) of the vertex position of the polygon in
the [Point] list, the vertex position can be changed.
When a polygon is created, the number of vertices is displayed in [(Total:)]. Up to 360 vertices
can be set.
Creation example:
Click the right mouse button or
double
-click on the ending point
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