Lowrance ELITE Ti Operator's Manual page 38

No Photo overlay Photo overlay, land only Full Photo overlay
Photo transparency
The Photo transparency sets the opaqueness of the photo overlay.
With minimum transparency settings the chart details are almost
hidden by the photo.
Minimum transparency Maximum transparency
Navionics Fish N' Chip
The system supports Navionics Fish N' Chip (U.S. only) chart feature.
For more information, see www.navionics.com.
Depth highlight range
Select a range of depths between which Navionics fills with a
different color.
This allows you to highlight a specific range of depths for fishing
purposes. The range is only as accurate as the underlying chart data,
meaning that if the chart only contains 5 meter intervals for contour
lines, the shading is rounded to the nearest available contour line.
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Charts | ELITE Ti Operator Manual