Raymarine e7D, Руководство по установке и эксплуатации, Страница: 98 / 270

Note: It is not possible to select Head Up when the motion mode
is set to True.
Course-Up
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In Course Up mode, the chart picture is stabilized and shown with
your current course upwards. As your vessel’s heading changes,
the ship symbol moves accordingly. 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, i.e. intended course.
2. Locked heading from an Autopilot.
3. Bearing to waypoint.
4. Instantaneous heading.
If heading data becomes unavailable whilst in this mode, a warning
pop up message is displayed and the chart uses 0° heading in
relative motion.
Setting the chart orientation
From the chart application:
1. Select Menu .
2. Select Presentation .
3. Select Chart Orientation .
4. Select Head Up, North Up, or Course Up option, as appropriate.
Once selected a tick will be placed next to the chosen orientation
and the screen will update to reflect the new orientation.
Chart 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 3 motion modes are:
• Relative Motion.
• True Motion.
• Auto Range.
Note: In the 3D chart view, only Relative Motion mode is
available.
The current motion mode applies to the active instance of the chart
application.
When you pan the chart the motion mode is no longer active. This is
indicated in the status bar by brackets around the motion mode —
for example, (Relative Motion). This enables you to view another
area of the chart whilst navigating. To reset the motion mode and
return your vessel to the screen, select the
Find Ship icon or select
Find Ship from the menu. Manually changing the range or panning
the chart in auto range also suspends motion mode. The default
setting is relative motion with zero offset. The mode that you select
is restored at power up.
Relative Motion with optional vessel offset
Offset Example
Zero Offset
1/3 Offset
2/3 Offset
When the motion mode is set to Relative Motion, the position of your
vessel is fixed on the screen and the chart picture moves relative to
your vessel. You can use the
Menu > Presentation > Vessel Offset
menu item to determine whether the vessel is fixed 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.
In the example shown above, the motion mode has been set to
Relative Motion, with a vessel offset of 1/3. The vessel is fixed in
the offset position and the chart moves accordingly:
True Motion
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When the motion mode is set to True Motion, the chart is fixed and
the vessel moves in true perspective to fixed landmasses on the
screen. As the vessel’s position approaches the edge of the screen,
the chart picture is automatically reset to reveal the area ahead
of the vessel.
Note: It is not possible to select True Motion when the orientation
is set to Head Up.
Auto Range
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98 e7 / e7D / e95 / e97 / e125 / e127 / c95 / c97 / c125 / c127