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
In the chart view:
1. Select the
2D CHART LAYERS
or
3D CHART LAYERS
softkey
as appropriate.
2. Use the
AERIAL OVERLAY
softkey to select the ON option.
Specifying aerial overlay opacity
In the 2D chart view:
1. Select the
2D CHART LAYERS
softkey.
2. Use the
AERIAL OVERLAY
softkey to select the ON option.
The opacity bar is displayed above the softkey.
3. Use the rotary control to adjust the opacity, between 1 and 100%.
Specifying the aerial overlay area
In the chart application, with aerial photo overlay enabled:
1. Press the
MENU
button.
2. Select the
Cartography Setup
menu item.
3. Select the
Aerial Photo Overlay
menu item.
4. Select the On Land or On Land and Sea option, as appropriate.
5. Press the
OK
button.
3D chart detail exaggeration
You can exaggerate the vertical size of objects on the 3D chart to
make it easier to interpret what you are seeing.
Sometimes it is easier to see certain topographical features if they
are exaggerated. Adjusting the exaggeration has the effect of
vertically stretching objects on the chart, making it easier to see
their shape and position. This could be particularly helpful if you
are fishing, for example.
Adjusting the 3D chart exaggeration
In the 3D chart view:
1. Select the
PRESENTATION
softkey.
2. Select the
3D VIEW OPTIONS
softkey.
3. Select the
ADJUST EXAGGERATION
softkey.
4. Using the trackpad, select the required amount of exaggeration.
Using the chart
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