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12.13 Chart presentation
The chart has a number of presentation options which affect the
level of detail, types of objects and aspects of its operation.
The presentation options available are:
•
Chart detail
— Set the level of object detail shown on the chart.
•
Layers
— Set content layers which can be overlaid.
•
Chart View
— Toggle 2D and 3D perspective view.
•
2D Chart Use
— Select fishing charts (if supported by your
chosen chart supplier) or standard navigation.
•
Chart Orientation
— Set the orientation of the chart application.
•
Motion Mode
— Set the motion mode for the chart application
(only available in 2D view).
•
Vessel Offset
— Set the vessel offset from the centre of the
screen (only available in 2D view).
•
Chart Sync
— Synchronize the radar and chart scales.
•
Data Overlay Set-up
— Enable data cells in the chart application.
Accessing chart presentation options
From the chart application:
1. Select
Menu
.
2. Select
Presentation
.
Chart detail
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The chart detail setting determines the amount of cartographic detail
shown in the chart application.
Selecting the Low option for the
Chart Detail
hides the following
cartographic objects:
• Text.
• Chart boundaries.
• Spot soundings.
• Depth contours.
• Light sectors.
• Caution and routing Data.
• Land and marine features.
• Business services (if available for your chart card).
Selecting the High option shows these objects.
Changing the level of chart detail
From the chart application:
1. Select
Menu
.
2. Select
Presentation
.
3. Select
Chart Detail
to switch between the High or Low option,
as appropriate.
Chart layers
The chart has a number of content layers providing different kinds of
display and information.
You can overlay the following data onto a 2D chart window to give
greater depth of information. The overlays available are:
•
Aerial
— Provides an aerial / satellite photography overlay.
•
AIS
— View and track AIS targets (2D view only) .
•
Radar
— Overlay radar onto the chart (2D view only).
•
NOWRad
— Provides the NOWRad weather radar overlay,
without the need to open a separate weather application window
(2D view only).
•
Display My Data
— Allows you to select which waypoints, routes
and tracks to display.
•
Vectors
— View heading and COG vectors or tide and wind
arrows (2D view only).
•
Range Rings
— View radar range rings (2D view only).
•
Safe Zone Ring
— View safe zone ring (2D view only).
•
Fuel Range Ring
— View the fuel range ring (2D view only).
•
3D Display Options
— Provides 3D options: Centre of View,
Exaggeration, Transducer Cone and Depth Scale(3D view only).
Note:
The layers require electronic charts with the appropriate
feature support and may also require additional hardware and
service subscriptions.
Aerial photo overlay
Your electronic charts may include aerial photography.
Aerial photos cover the navigable waters up to 3 miles inside the
coastline. The resolution is dependent on the region covered by
the chart card.
Enabling aerial photo overlay
From the chart application:
1. Select
Menu
.
2. Select
Presentation
.
3. Select
Layers
.
4. Select
Aerial
.
The aerial opacity slider bar control is displayed showing the
current opacity percentage.
5. Adjust the slider bar to the required opacity, or
6. Select
Off
to turn the aerial overlay off.
Specifying the aerial overlay area
From the chart application.
1. Select
Menu
.
2. Select
Set-up
.
3. Select
Cartography
.
4. Select
Aerial Overlay
.
A list of overlay options is displayed.
5. Select either On Land, On Land and Shallows, or On Land and
Sea.
A tick is displayed next to the option and if aerial overlay is
switched on the screen is redrawn showing the new overlay
selection.
Using the chart
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