6. Radar
6-6
6.6 Orientation Mode
The orientation mode controls the relationship between your vessel and all the other
targets.
The heading data is required in modes except the head-up mode. When the heading
data is lost, the orientation mode automatically goes to head-up. A red “X” is also put
on the compass icon on the status bar. Restore the compass signal to show the head-
ing indication. Select the orientation mode again if necessary.
To select an orientation mode, use the
RotoKey to select Head Up, Course Up or
North Up. (You can also select an orientation
mode with the orientation mode icon (top-left
corner) and the Radar pop-up menu.)
To select a motion mode, click the motion
mode icon with the left-click button.
6.6.1 Description of Orientation Modes
Relative motion displays
The relative motion display is fixed. The movement of all targets is shown with refer-
ence to your vessel, which is normally at the center of the screen.
Head-up
A display without azimuth stabilization in
which the line that connects the center
with the top of the display indicates your
heading. Targets are shown at their mea-
sured distances and in their directions rel-
ative to your heading. The arrow on the
bearing scale is the north marker.
Course-up
The radar picture is stabilized and dis-
played with the currently selected
course at the top of the screen. When
you change the heading, the heading
line moves with the course selected. If
you select a new course, the picture
resets to display the new course at the
top of the display.
Targets are shown at their measured
distances and their directions relative
to the set course, which is at the 0-de-
gree position. The heading line moves
according to the yawing and any
course change.
Motion mode
icon (light-blue)
Orientation mode
icon (green)
NU RM
North marker
Heading line
North marker
Heading line
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