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3. 3D DISPLAY, OVERLAYS
3-4
3.2 Overlays
Five overlays are available for the plotter display: depth shading, satellite, radar, tide
information, and tidal current.
3.2.1 Depth shading overlay
The depth shading overlay shows the depths in different color (the default settings are
red (shallow), yellow (medium) and blue (deep)). This overlay is available in both 2D
and 3D presentations. Use this overlay to find depths. To show the depth shading
overlay, open the [Layers] menu then turn [Depth Shading] on or off.
Depth shading
You can turn the automatic depth shading
color scale adjustment on or off by tapping
the “A”.
OFF: Depth shading can be adjusted
manually, with the range sliders.
ON: Depth shading set according to the
depth shading values set in the menu.
ON
OFF
Maximum
value
Minimum
value