Chart Alarms •
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Route planning
The system will calculate Chart Alarms using user defined channel limit for route. Dangerous areas are shown
highlighted if safety contour or user selected Chart Alarm areas are crossed by the planned route. For more
information of route planning, see chapter "Route planning".
Note! If your voyage is going to take a long time or you are planning it much earlier than it is taking place, use
display and approve dates corresponding dates you are going to sail. For more information, see chapter "Time
dependent and periodical features of S57 chart"
You can generate a list of Chart Alarms which are across by the planned route. Proceed as follows:
1. Enter Safety Contour you want to use.
2. Select dangerous objects used in Chart Alarm calculation.
3. Plan a route, define waypoints and other necessary information.
4. After that open ChartAlarms sheet To generate a list of alarms press Start button. The
system will check a route leg by leg and when finish you will see number of Legs and Alarms
in an upper part of dialog box.
Figures above show before and after Chart Alarm calculation in Route Planning mode.
If there are alarms included to planned route, you have two alternatives to check them.
1. Check alarms leg by leg
2. Check alarms by using category of alarm
How to find Chart Alarms leg by leg
After you have done Chart Alarm calculation, the system is able to show you legs where dangerous areas are located.
All the alarms for each leg where alarms occur are shown in a list box of Alarms. The list of alarms is based on
selections in Chart Alarm parameters. To find Chart Alarms for route, proceed as follow:
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