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Difference between Insert and Append modes. There is an original area in left side and upper area is after adding a
corner point using Insert mode and lower area is after adding a corner point using Append mode.
The Insert mode adds a corner point to the closest edge of area. The Append mode adds a corner point after last
corner point.
How to add a new Area of User Chart
An Area of User Chart can be used for example to define safe water area displaying on the ARPA radar. To add a
new User Chart Area proceed as follows:
1.
Open Area sheet. Select tick box Enable changes.
2.
Press Add button in Area object field.
3.
Give a name for area and select tick boxes if it used to Danger Area calculation and/or
displaying on radar.
4.
In Corner points field select desired mode for adding corner points. (Insert or Append
mode).
5.
Define corner points on the electronic chart area using cursor and SELECT button.
6.
To define more areas continue from step 2.
How to select an Area of User Chart to be modified
In Area object field Current indicates which Area of User Chart is selected to be modified. If you want another
area to be modified, you have three alternatives to do it:
•
Enter desired Area number of User chart object in Record field to Current edit box. To
modify number take cursor to Current edit box and press Select button. Enter desired
number and press OK.
•
Use First, <<, >>, Last buttons to find appropriate Area of User chart.
•
Use INFO/HELP push button to select Area of User chart. Take cursor into the Electronic
chart area above desired Area one of its corner point and press INFO/HELP push button.
262 • • • • User chart control
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