Radar: Acquire a target
¾
To acquire a target:
• Display the Radar screen and main menu.
• Select MARPA. If you can't see MARPA, select Return.
• Select
Acquire Target.
• A message asks you to select the targets that you want to
track. Select a target.
The GB40 identifies the target with a target number and a
green square to show that it's being acquired.
When the GB40 acquires the target, the symbol changes to a
blue circle to show that the target is being tracked. The GB40
shows the:
◦ range and bearing of the target
◦ a vector with the speed and course of the target.
The GB40 also calculates the closest point of approach and the
time to the closest point of approach.
The GB40 tracks the target to the maximum range of the radar
or until you cancel it, it is lost, or it moves out of range.
• When you are finished, select
Return.
Radar: Cancel a target
You can stop tracking one, more, or all of the acquired targets
from either the
Radar screen or from the Chart.
¾
To cancel tracking a target:
• Display the Radar or Chart and main menu.
• Select
MARPA. If you can't see MARPA, select Return.
• Select
Cancel MARPA Target. A new main menu appears.
If you want to:
◦ stop tracking one or more targets, select only those targets
◦ stop tracking all the targets, select Cancel All Targets
• For each cancelled target, the GB40 removes the target symbol
and number from the screen, stops tracking that target and
deletes all the stored data.
Radar: Show details of one target
You can show the details of a tracked target on the Radar screen.
The GB40 can show the details of only ONE target at a time.
Radar |123
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