¾
To find the range and bearing of target with a fixed
VRM/EBL:
• Display the Radar screen and main menu. If you can't see the
Range and Bearing button, select Return.
• Select
Range and Bearing.
The EBL Reference button shows the current setting.
Select:
◦ North if you want the EBL bearing to be referenced to
North
◦ Relative if you want the EBL bearing to be relative to your
vessel's position
• Select
VRM/EBL 1 to show the main menu for VRM1 and
EBL1. If
Show VRM/EBL 1 is switched Off, select it to
switch it On. Note that if the
VRM/EBL 1 position is not
shown initially when you switch it On, because it's outside the
current radar range, it'll be adjusted to appear at one third of
the current range.
The
Radar screen shows:
◦ VRM 1. A thin, circular, dotted line centered around your
vessel. The radius is set at the most recent position.
◦ EBL 1. A thin dotted line extending from your vessel to the
edge of your
Radar screen. The bearing is relative to your
vessel. The default angle is 045° Relative.
◦ A message box showing the range and bearing of the
VRM/EBL. If you can't see this, check the box next to
VRM/EBL 1 Data to turn it On.
¾
To show the range readout:
• You can either:
◦ drag VRM 1 across the PPI until it touches the target OR
◦ select Adjust VRM 1 then use Up or Down to increase
or decrease the radius of VRM1 until it touches the target.
• The GB40 updates the range readout with each change in
radius.
• Select
OK when you are at the target.
¾
To show the bearing readout
• You can either:
◦ drag EBL 1 across the PPI until it touches the target OR
◦ select Adjust EBL 1 then use Up or Down to move
EBL1 until it touches the target.
118 | Radar
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