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North Up (N-UP)
N
e.g:
True north at top
N
D8399_1
As your boat's heading changes:
Radar picture fixed (north up)
SHM rotates accordingly
Note: If heading data becomes unavailable whilst in this mode,
a warning message will be shown, the status bar indicates
North-Up in brackets and the radar uses 0° heading in relative
motion. When heading data becomes available once more,
North-Up mode is reinstated.
Note: It is not possible to select Head Up mode when the motion
mode is set to True.
Course Up (C-UP)
Current course upwards
N
N
D8400_1
As your boat's heading changes:
Radar picture fixed
SHM rotates accordingly
e.g:
If you select a new course, the picture will reset to display the new
course upwards.
The reference used for Course-Up depends upon the information
available at a given time. The system always prioritizes this
information in the following order:
1. Bearing from origin to destination, that is, intended course.
2. Locked heading from an Autopilot.
3. Bearing to waypoint.
4. Instantaneous heading.
Note: If heading data becomes unavailable whilst in this mode,
a warning message will be shown, the status bar indicates the
Course Up in brackets and the radar uses 0° heading in relative
motion. When heading data becomes available once more,
Course-Up mode is reinstated.
Selecting the radar orientation mode
In the radar application:
Using radar
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