Raymarine LIGHTHOUSE SPORT 3.18 Operation Instructions Manual page 91

The SonarChart™ Live options are:
• [Off] — SonarChart™ Live contours are not displayed onscreen and are
not being created.
• [On] — SonarChart™ Live contours are being recorded and displayed
in realtime.
• [History] — SonarChart™ Live contours are not being recorded but
historical recordings are displayed onscreen.
4. Select the [Visibility] setting field, and adjust to your preferred value.
5. Enable [Tide correction].
When enabled tide correction will automatically adjust depth readings
based on normalized low tide / low water level data taken from a nearby
Tide station.
6. Select a [Density] level.
Chart app
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