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1. RADAR OPERATION
1-37
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A
A
1
A
A
1
No. 1
EBL
No. 1
EBL
EBL1
>150.3
°
T<
VRM1
>3.85NM<
EBL1
>138.2
°
T<
VRM1
>3.85NM<
(a) (b)
Collision assessment by offset EBL
1.22.2 Choosing point of reference for origin point of offset EBL
The origin point of the offset EBL can be ground stabilized (geographically fixed)
or referenced to own ship’s heading (relative).
1. Roll the trackball to choose the MENU box and then push the left button.
2. Roll the wheel to choose 2 MARK and then push the wheel or the left button
to display the MARK menu.
[MARK]
1 BACK
2 OWN SHIP MARK
OFF/ON
3 STERN MARK
OFF/ON
4 INDEX LINE BEARING*
1
REL/TRUE
5 INDEX LINE*
2
1/2/3/6
6 INDEX LINE MODE*
3
VERTICAL/HORIZONTAL
7 [BARGE MARK]
8 EBL OFFSET BASE
STAB GND/STAB HDG/
STAB NORTH
9 [EBL, VRM, CURSOR SET]*
4
0 RING
OFF/ON
*
1
W-type shows INDEX LINE1. Same choices as INDEX LINE.
*
2
W-type shows INDEX LINE2. Same choices as INDEX LINE.
*
3
Shown when INDEX LINE is set to other than "1" .
Not shown on IMO or A type.
*
4
IMO and A types show
9 EBL CURSOR BEARING (REL/TRUE)
MARK menu
3. Roll the wheel to choose 8 EBL OFFSET BASE and then push the wheel or
the left button.
4. Roll the wheel to choose STAB GND, STAB HDG or STAB NORTH as
appropriate and then push the wheel or the left button.
5. Push the right button twice to close the menu.