Structuremap; The Structuremap Image; Activating Structure Overlay - Lowrance HDS Gen3 Operator's Manual

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StructureMap

The StructureMap feature overlays SideScan images from a
StructureScan source on the map. This makes it easier to visualize
the underwater environment in relation to your position, and aids in
interpreting SideScan images.

The StructureMap image

The example below shows a chart panel with Structure overlay,
combined with a traditional SideScan panel.
You move around in the chart as usual when you have a Structure
overlay:
• Touch operation: zoom the chart and the scanned image by
using the zoom (+ or -) buttons, or by pinching or spreading on
the screen. Drag on the panel to view the scanned image.
• Key operation: zoom the chart and the scanned image by using
the +/- keys.
Selecting the Clear cursor option removes the cursor from the
panel, and the chart center is positioned at the vessel.

Activating Structure overlay

1.
Turn on Structure overlay from the chart menu
- The chart menu is increased to show Structure options
- Structure data starts to appear on the chart screen as soon as
Structure overlay is enabled
StructureMap | HDS Gen3 Operator Manual