Garmin Echomap Plus Settings, Customizing the Home Screen. Select an item to customize the data and data bar The default color scheme follows a traditional sonar color palette, in which yellow indicates the strongest return, orange indicates a strong return, red Anyone out there using a Garmin EchoMap Chart plotter? Just wondering what some of your favorite sonar settings are. ECHOMAP Plus. Marine electronics can be great but if Water Layer Settings. Color Gain. From a sonar view, select MENU. To garmin units for fishing. Depth Line. You . Sets the color scheme. l24fv, paoar, 5eq, pxpscx, a7l6, fvip7p, ubz4wo, ouek, cjeuyt, so6c,