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31
Nobeltec InSight Radar (IR2)
Operations Manual
Variable Range Marker (VRM): This tool is a user-controlled range ring that
surrounds the vessel. The VRM is normally used to measure distances to
targets and is adjusted by grabbing it with the mouse cursor and dragging it
to the desired distance. The range for the VRM is displayed in the lower left hand
corner of the InSight window as shown below.
Variable Range
Marker distance
from vessel
Gain and Sea
Clutter Indicators
Electronic Bearing Line (EBL): This is a bearing line from the center of the
vessel that remains constant as the vessel moves. Use the EBL to measure
the bearing from the vessel’s position to a target. To adjust the EBL, click
on it and drag it to the desired angle. The angle can be displayed in three ways as
shown below and is found in the lower right corner of the radar window.
EBL in Clock degrees EBL in Relative degrees EBL in Absolute degrees
Chapter 3
Working with IR2