Furuno MFDBB User Handbook Manual page 13

Measuring bearing to a target
Select
Push*
EBL.
*Short: EBL1
Long: EBL1/EBL2
Setting a guard zone
A guard zone alerts you with audio and visual indications when a target enters the alarm zone.
On radar
screen
Place cursor at
top left corner of zone.
To cancel a guard zone:
Place cursor
on guard zone.
All manuals and user guides at all-guides.com
Select
Confirm
Confirm appropriate
selection.
selection. EBK.
Guard Zone
Set Guard 1 or
Set Guard 2.
Place cursor at bottom
13
Bisect
target with
EBL.
Check EBL box for bearing.
EBL 1 210.2 ° T
EBL 2 59.4 ° T
153
Select
Confirm
selection.
right corner of zone.
Select
Clear Guard.
153
EBL2
+
EBL1
Target
EBL box
Erase
guard zone.