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Note: The bearing scale is according to the Consistent
Common Reference Point (CCRP), while the offset sets the radar
antenna position on the PPI. The maximum off-centering
allowed is 75% of the radius at the current range. This may
result in the CCRP being outside of the bearing scale. In such
cases the measurements are still taken by the CCRP and the
bearing scale is compressed accordingly.
Center
The Center option resets the antenna position to the center of the
PPI.
Look ahead
The Look ahead option is used to maximize the view ahead of the
vessel. When selected the PPI center is placed at 70% of the radius
of the PPI, 180° opposite the top of the display.
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Note: Look ahead is only available for Heading Up radar
orientation.
Offset to cursor position
This option allows you to use the cursor for selecting the antenna
center. When the option is selected the PPI center is immediately
moved to the cursor position.
EBL/VRM markers
The electronic bearing line (EBL) and variable range marker (VRM)
allows quick measurements of range and bearing to vessels and
landmasses within radar range. Two different EBL/VRMs can be
placed on the radar image.
The EBL/VRMs are by default positioned from the center of the
vessel. It is, however, possible to offset the reference point to any
selected position on the radar image.
When positioned, you can turn the EBL/VRM on/off by selecting the
relevant markers on the data bar, or by deselecting the marker from
the menu.
Defining an EBL/VRM marker
1. Ensure that the cursor is not active
Radar | GO XSE Operator Manual
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