Where To?GPSMAP 400/500 Series Owner’s Manual 29Using BlueChart g2 VisionNOTICEBlueChart g2 Vision data cards are not waterproof. When you are not using thecard, keep it in the original packaging for safekeeping and store it away fromexposure to sun and rain to prevent damage to the card.BlueChart g2 Vision data cards are susceptible to damage from staticelectricity. In low-humidity environments, you should ground yourself on alarge metal object before handling the card to prevent damage to the card.Optional BlueChart g2 Vision preprogrammed SD cards allow you to get themost out of your unit. In addition to detailed marine charting, BlueChart g2Vision has the following features:• Mariner’s Eye 3d—provides a view from above and behind the boat for athree-dimensional navigation aid. The BlueChart g2 Vision Mariner’s Eye3D is more detailed than the preloaded data (page 15).• fish Eye 3d—provides an underwater 3D view that visually represents thesea floor according to the information on the chart.• High Resolution Satellite imagery—provides high-resolution satelliteimages for a realistic view of the land and water on the Navigation chart.• aerial Photos—provides a view of marinas and other navigationallysignificant aerial photos to help you visualize your surroundings.• detailed Roads and POi data—provides a view of roads, restaurants, andother points of interest (POIs) along the shore.• Current data—provides a view of current-station information(page 36).• auto guidance—uses the chart data and specified boat-safe depth todetermine the best course to your destination (page 47).NOTE: You cannot transfer BlueChart g2 Vision data from the SD card toyour computer for backup. You can transfer BlueChart g2 Vision data fromthe SD card to your computer for viewing purposes if HomePort is installedon your PC. You can only use the SD card on BlueChart g2 Vision-compatibleGarmin GPS units and when using HomePort.navigating with a garmin AutopilotWhen you start any type of navigation (go To, Route To, guide To, orfollow Track), if you are connected to a compatible Garmin autopilot, you areprompted to engage the autopilot.NOTE: Autopilot can be used only with NMEA 2000 compatible chartplotters(GPSMAP 441/441s, GPSMAP 536/536s, GPSMAP 541/541s, and GPSMAP546/546s).