4.
Select the save option to save your settings
Placing EBL/VRM markers by using the cursor
1.
Position the cursor on the radar image
2.
Activate the menu
3.
Select one of the EBL/VRM markers
- The EBL line and the VRM circle are positioned according to the cursor position.
Offsetting an EBL/VRM marker
1.
Ensure that the cursor is not active
2.
Activate the menu, select
EBL/VRM
, then select the marker you wish to offset
3.
Select the set offset option
4.
Position the cursor on the radar panel to set the offset position
5.
Select the save option to save your settings.
You can reset the EBL/VRM center to vessel position from the menu.
Setting a guard zone around your vessel
A guard zone is an area (either circular or a sector) that you can define on the radar image.
When activated, an alarm alerts you when a radar target enters or exits the zone.
Defining a guard zone
1.
Ensure that the cursor is not active
2.
Activate the menu, select
Guard zones
, then select one of the guard zones
3.
Select the shape for the zone
- The adjustment options depend on the guard zone shape
4.
Select
Adjust
to define the settings for the guard zone. The values can be set from the
menu or by dragging on the radar panel.
-
A
: Bearing, relative to the vessel heading
-
B
: Depth
-
C
: Range, relative to vessel center
-
D
: Width
5.
Select the save option to save your settings.
When positioned, you can turn the guard zones on/off by selecting the relevant section on
the data bar.
C
B
A
D
Shape: Sector
B
C
Shape: Circle
Alarm settings
An alarm is activated when a radar target breaches the guard zone limits. You can select if
the alarm is activated when the target enters or exits the zone.
Sensitivity
The guard zone sensitivity can be adjusted to eliminate alarms for small targets.
MARPA targets
If the system includes a heading sensor, the MARPA function (Mini Automatic Radar Plotting
Aid) can be used to track up to ten radar targets.
You can set alarms to notify you if a target gets too close. Refer to
MARPA tracking is an important tool for collision avoidance.
80
Radar
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