Humminbird HELIX 9 Operation Manual page 163

Display Contour Lines and Adjust the Contour Interval
You can display or hide the contour lines on the map, and you can adjust the distance between each contour line. Contour Interval
is also affected by the Water Level Offset setting.
1. From the AutoChart Live menu, select Contour Lines.
2. Press the RIGHT or LEFT Cursor keys to select Visible.
3. Select Contour Intervals.
4. Press the RIGHT or LEFT Cursor keys to adjust the setting.
contour lines
displayed
9 feet apart
Display Raw or Map Data
Select Show Map Data to display contour lines and depth data. Select Show Raw Data to display individual data points.
1. From the AutoChart Live menu, select Show Raw Data or Show Map Data.
2. Press the RIGHT Cursor key.
Adjusting the Contour Level
163 AutoChart Live