Navionics Boating: SonarChart Density Option

You can increase or decrease the bottom contour density when the SonarChart™ layer is selected. Set the density from Low (less contours) to Very High (full contours). This map option does not affect the Nautical Chart layer and is only available with an active subscription.

To adjust the density of the SonarChart contours:

1. Tap Menu
2. Tap Map Options
3. Scroll to SonarChart Density
4. Adjust the density using the slide rule or by tapping the selection button