X515C DF & X510C Manual - Lowrance

Contrast
See the entry in this section for Screen Contrast and Brightness.
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.
Cursor line
Depth box
Sonar Page menu with Depth Cursor selected (left). Sonar chart with
the depth cursor active (right). The cursor is 34.64 feet deep.
The cursor can be moved to any location on the screen, letting you pinpoint
the depth of a target.
1. From the Sonar Page, press MENU|↓ to DEPTH CURSOR|ENT.
2. The depth cursor appears. Press ↓ to lower the cursor line; press ↑ to
raise the cursor line.
3. To clear the depth cursor, press EXIT.
Depth Range - Automatic
When turned on for the first time, the bottom signal is automatically
placed in the lower half of the screen. This is called Auto Ranging and
is part of the automatic function. However, depending upon the bottom
depth and the current range, you can change the range to a different
depth.
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