3 Basic Operation of ECDIS 3-99
ECDIS
3.15 Operating EBL/VRM
There are two ways to draw the EBL (Electronic Bearing Line)/VRM (Variable Range Maker) on the
chart.
●Using the [EBL1/2] and [VRM1/2] keys and EBL/VRM dials on the operation panel
●Using the context menu ([Dropped EBL/VRM][CCRP EBL/VRM],1 step or 2 step operation selectable)
●Using the [EBL1/2] and [VRM1/2] buttons on the display panel
3.15.1 Operating EBL/VRM Using the Operation Panel
On the operation panel, two sets of EBL/VRMs can be used for measuring bearing and distance. You
can also set your ship’s position or any position as the center (base point) of the EBL/VRM.
(1) Displaying and clearing the EBL1/VRM1 marker
If you press the [EBL1] or [VRM1] key, the EBL1 or VRM1 marker with your ship as the base point,
and the EBL1/VRM1 information panel are displayed. These markers are displayed as a dashed
line. Each of these markers are controlled by turning the EBL or VRM dial.
To clear the EBL1 marker or VRM1 marker:
Press the [EBL1] or [VRM1] key again.
Distance of VRM1
zimuth of EBL1
EBL
VRM
Direction and distance from
Center point to crossing point
Crossing point
Push EBL1 to
display EBL1 line
EBL1
Turn EBL dial to
control EBL1
Push VRM1 to
display VRM1 line
VRM1
Turn VRM dial to
control VRM1
Own ship
[EBL1/VRM1 line display on the chart]
[Display panel (EBL1/VRM1 displayed)]
Displaying position of cross point
on EBL1 and VRM1
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