![](http://pdfasset.owneriq.net/e/18/e18af223-311c-8424-1d3a-37fd4359fd06/e18af223-311c-8424-1d3a-37fd4359fd06-bg44.png)
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Sonar Page menu (left) with ColorLine command selected.
The ColorLine control bar is shown at right.
Little ColorLine (left) indicates a soft bottom, probably sand or mud.
The wider ColorLine (right) indicates a harder, rocky bottom.
Depth Cursor
The depth cursor consists of a horizontal line with a digital depth box on
the right side. The numbers inside the box show the depth of the cursor.
Wider
ColorLine
Thin or no ColorLine