Target Tracking - Lighthouse a65 Installation And Operation Instructions Manual

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20.5 Target tracking

The Guard Zone , VRM/EBL and MARPA functions
will help you track targets and avoid collisions.
With a radar connected to your multifunction display,
you can:
• Assess how far away a target is and its bearing
(VRM/EBL).
• Set an alarm to trigger when a target is within a
specified zone (Guard Zone).
• Display detailed information on tracked targets
(MARPA).
• Display the range and bearing of a target.
Setting up a radar guard zone
From the radar application:
1. Select Menu.
2. Select Zones.
3. Select Guard Zone so that On is highlighted.
Selecting Guard Zone will switch the zone On
and Off.
4. Select Guard Zone Set-up.
5. Select Shape: to switch between Sector or
Circle.
6. Select Outer: .
The Outer numeric adjust control is displayed.
7. Adjust the outer edge of the guard zone to the
required distance.
8. Select Ok to close the numeric adjust control.
9. Select Inner: .
The Inner numeric adjust control is displayed.
10. Adjust the inner edge of the guard zone to the
required distance.
11. Select Ok to close the numeric adjust control.
12. Select Width: .
The Width numeric adjust control is displayed.
13. Adjust the width of the guard zone in degrees.
14. Select Ok to close the numeric adjust control.
15. Select Bearing: .
The Bearing numeric adjust control is displayed.
16. Adjust the bearing of the guard zone in degrees
port or degrees starboard.
17. Select Ok to close the numeric adjust control.
Note: Guard zone width and bearing can only be
adjusted when the Shape: is set to Sector.
Guard zone context menu
The guard zone function includes a context menu
which provides additional menu items.
The context menu provides the following menu items:
• Acquire Target.
a Series / c Series / e Series