GPSMAP 392/398/492/498 Owner’s Manual 59M AIN MENU > DSC AND CARD TABDSC TabDSC uses marine VHF radio and GPS technologies to transmitand receive location information. DSC is used by mariners for twomajor operation: distress calls and position reporting.See page 21 and the “Appendix” for more information on DSC andusing it with your GPSMAP 392/398/492/498.Card TabThe Card tab contains options for saving waypoints, routes andtracks to a data card. When data is saved to a data card, it can beexchanged with other compatible units and Garmin’s MapSourcesoftware program on your PC.To transfer data on your PC to or from a data card:1. Insert the data card. From the Card tab, select the checkbox next to each type of item you want to transfer.2. Highlight Save To Card, and press ENTER to save theselected items to the data card.3. If transferring data from the card to the unit, highlight MergeFrom Card, and press ENTER to combine the selecteditems with existing GPS data. Highlight Replace FromCard, and press ENTER to overwrite all selected items onyour GPS.4. A Transfer Complete message appears after the data istransferred. Press QUIT.
