Realistic navigation features showing everything from shaded depth contours and coastlines to spot soundings, navaids, port plans, wrecks, obstructions, intertidal zones, restricted areas, IALA symbols and more * Smooth display presentation including seamless transitioning between zoom levels and more continuity across chart boundaries * Safety shading allows user to enable contour shading for all depth contours shallower than user-defined safe depth * Fishing charts to help scope out bottom contours and depth soundings with less visual clutter on the display * Choice of standard 2-D direct overhead or 3-D "over the bow" map perspective to make chart reading and orientation easier. Also compatible with Garmin"s HomePort trip-planning software.