To return the chart to vessel position use the return to vessel option.
Controlling the view angle
You can control the view angle by selecting the rotate icon, and then panning the chart
panel.
• To change the direction you are viewing, pan horizontally
• To change the tilt angle of the view, pan vertically
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Note: When centered on the vessel position, only the tilt angle can be adjusted. The
view direction is controlled by the chart orientation setting. Refer to "Chart orientation" on
page 24.
Color tracks based on data
A track can be colored based on what source data and the high/low limits you set:
• You can specify the source (data type) to be colored. To turn off coloring, select source
None.
• Select the high and low options to set high and low values.
The colors can be shades of green, yellow, and red. Green is for the high limit you set. Yellow
is the value that is the average of the high and low. Red is for the low limit. If the value is
between the high and the middle values, it appears as a greenish-yellow color. If the value is
between the middle and the low, it appears as an orange color.
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Note: By default tracks are colored according to the color setting in the Edit Track dialog.
Coloring tracks based on source data overrides the coloring specified in the Edit Track
dialog.
Chart overlay
You can add overlays on the chart panel.
When an overlay is selected, the chart menu expands to include basic menu options for the
selected overlay.
Information about the overlay menu options are described in more detail below or in their
separate sections in this manual.
Heat map overlay
The Heat map overlay feature shows a history of water temperature coloring on the chart. A
water temperature source is needed to provide the temperature data for the overlay.
The color range is adjusted automatically based on the minimum and maximum
temperatures recorded.
28
Charts | NSO evo3S MPU Operator Manual
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