Raymarine e7 User Reference page 107

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).
• 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).
• 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.
Using the chart
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.
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