3. 3D Display, Overlays
3-14
How to understand the tide graph display
• The information is mostly accurate under moderate weather conditions. However,
storms and weather fronts can influence forecasted tide times and heights.
• The dotted vertical line on the graph functions to select a time for which the tide
height is displayed. To change the time, rotate the RotoKey.
• To find the tide for 10 nearest stations, use the [10 Nearest Stations] combo box.
• To change the date, select [Select a date] and enter a date.
• To erase the tide graph and return to the chart plotter display, press the CANCEL
key twice.
3.2.7 Tidal Current Overlay
The tidal current overlay is made from the tidal current data received from NOAA sat-
ellites, available in North America.
1. Push the RotoKey to show the soft controls.
2. Use the RotoKey to select [Overlay] followed by [Currents].
3. Push the RotoKey to show or hide the tidal current display.
Arrows of more than one color and size appear on the screen and are pointing in
different directions.
The arrow indicates the movement of the tidal current. The size and color of the arrow
indicate tidal current speed, Yellow, slow; orange, medium, and red, fast.
Simple and detailed NOAA-created tidal current information is available. For simple
information put the cursor on a tidal current marker. Press the left-click button to get
detailed information.
Simple tidal current information
Detailed tidal current information
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