A preset is a collection of settings that optimize the screen or view. You can use particular presets to optimize groups of settings for your activity. For example, some settings might be optimal for when you are fishing, and others might be optimal for when you are cruising. Presets are available on some screens, such as charts, sonar views, and radar views.
To select a preset for a compatible screen, select, and select the preset.
When you are using a preset and you make changes to the settings or view, you can save the changes to the preset or create a new preset based on the new customizations.