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2. Locked heading from an Autopilot.
3. Bearing to waypoint.
4. Instantaneous heading.
If heading data becomes unavailable whilst in this mode, a warning
message will be shown and the chart uses 0° heading in relative
motion.
Setting the chart orientation
In the chart application:
1. Press the PRESENTATION softkey.
2. Press the CHART MODE AND ORIENTATION softkey.
3. Press the ORIENTATION softkey until the required option (H-UP,
N-UP, or C-UP) is selected.
4. Press the OK button.
Maintaining a view of your navigation
In the chart application:
1. Press the PRESENTATION softkey.
2. Press the CHART MODE AND ORIENTATION softkey.
3. Press the MOTION MODE softkey, and select the AR option.
The chart will automatically maintain a view of both your vessel and
the target waypoint on screen.
Setting the motion mode
The motion mode controls the relationship between the chart and
your vessel.
Whilst motion mode is active, as your vessel moves, the chart is
redrawn to keep the vessel on-screen. The three motion modes are:
• Relative Motion
• True Motion
• Autorange
When you pan the chart or toggle Find Ship/Cursor to Cursor, the
motion mode is suspended. This is indicated in the status bar by ‘(
)’ around the motion mode and enables you to view another area
of the chart whilst navigating. To reset the motion mode and return
your vessel to the screen, press Find Ship. Manually changing
the range in autorange also suspends motion mode. The default
setting is relative motion with zero offset. The mode that you select
is restored at power up. When a chart window is set to System
view, the motion mode will be set but not synchronized across other
system view windows.
Relative Motion (RM) with optional vessel offset
When the motion mode is set to Relative, the position of your vessel
is xed on the screen and the chart picture moves relative to your
vessel. You can specify using the Vessel Offset softkey, whether
the vessel is xed in the centre of the window (0 offset) or offset by
1/3 or 2/3. If you change the offset to 1/3 or 2/3, the view ahead
of your vessel will be increased.
D6839_3
0 Vessel offset
1/3 Vessel offset
2/3 Vessel offset
62 C-Series Widescreen user reference