Navionics: How to Turn on Depth Contours

How do I turn on depth contours with my Navionics card?

The Chart Detail Level under the Chart Tab should be set on MMC/SD card only or on ALL to show depth contours, fishing areas, underwater wrecks, tides and currents in addition to the Basic and Navigation.  Also make sure that Spot Soundings is chosen as Visible to display the depth measurements on the chart.

Select Chart Detail Level under Chart Tab

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