Simrad NSS9 Evo3S Operator's Manual page 37

Palettes
Used for selecting the image's color palette.
SCL History
Select to display previously recorded data on the chart overlay.
SC Density
Controls the density of the SonarChart and SonarChart Live contours.
Colored seabed areas
Used for displaying different depth areas in different shades of blue.
Navionics Dynamic tides and current icons
Shows tides and currents with a gauge and an arrow instead of the diamond icons used for
static tides and current information.
The tide and current data available in Navionics charts are related to a specific date and time.
The system animates the arrows and/or gauges to show the tides and currents evolution
over time.
Dynamic tide information Dynamic current information
The following icons and symbology are used:
Current speed
The arrow length depends on the rate, and the symbol is rotated according to flow direction.
Flow rate is shown inside the arrow symbol. The red symbol is used when current speed is
increasing, and the blue symbol is used when current speed is decreasing.
Tide height
The gauge has 8 labels and is set according to absolute max/min value of the evaluated day.
The red arrow is used when tide is rising, and the blue arrow is used when tide is falling.
Ú Note:
All numeric values are shown in the relevant system units (unit of measurement)
set by user.
Rock filter level
Hides rock identification on the chart beneath a given depth.
This helps you to declutter charts in areas where there are many rocks located at depths well
below your vessel's draught.
Contours depth
Determines which contours you see on the chart down to the selected safety depth value.
Presentation type
Displays marine charting information such as symbols, colors of the navigation chart and
wording for either International or U.S. presentation types.
Annotation
Determines what area information, such as names of locations and notes of areas, is available
to display.
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Charts | NSS evo3S Operator Manual