Learn how to download and view high-resolution relief shading and/or raster charts on your compatible Garmin chartplotter.
For more help, visit http://support.garmin.com
For ActiveCaptain App Compatibility information, visit https://support.garmin.com/en-US/?faq=2PFMBCXkzN2BXrCJhzNMmA&searchQuery=activecaptain%20compatibility
For information on registering a pre-programmed chart card, see https://youtu.be/xekqL75h2s0