JRC JMR-7210-6X - Page 595

17-11 Section 17 Setting up Alerts
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APP A
APP B
17.5.1 Switching to enable/disable a danger
detection vector/sector
To enable a danger detection vector/sector, select [Use Area(Rectangle)] and/or [Use Area(Sector)]
check box.
A danger detection vector and a danger detection sector appear on the chart.
To disable a danger detection vector/sector, clear [Use Area(Rectangle)] and/or [Use Area(Sector)]
check box.
A danger detection vector and a danger detection sector disappear from the chart.
17.5.2 Setting up the size of a danger detection
vector
1 Enter a value in [Length].
Specify it in a range between 1.0 and 30.0 min or between 0.1 and 5.0 NM.
The unit of the vector length can be switched between min and NM by clicking on the Change
Unit button,
2 Enter a value in [Width].
Specify the vector width in a range between own ship's beam +15 m to 250.0 m.
17.5.3 Setting up the size of a danger detection
sector
1 Enter a value in [Radius].
Specify it in a range between 1 and 30 min or between 0.1 and 5.0 NM.
The unit of the sector radius can be switched between min and NM by clicking on the Change
Unit button,
2 Enter a value in [Width].
Specify the sector width in a range between 0.1 and 360.0°.