GPSMAP 3206/3210 Owner’s ManualM aIn Menu > dsc (dIgItal selectIve callIng ) tabMaInM enuSaved Sub TabThe Saved sub tab shows a list of all saved track logs. It also allows you to usea track for TracBack or display it on a map. You can save up to 15 track logs inmemory with up to 700 track log points in each saved log.On the Saved sub tab, the following soft keys are available:Review Map—opens the Saved Track window so you can review theselected track.Delete—deletes the highlighted saved track log from memory.Delete All—deletes all saved track logs from memory.•••DSC (Digital Selective Calling) TabUse the DSC tab to control and set up DSC features on the GPSMAP 3206/3210.DSC uses marine VHF radio and GPS technologies to transmit and receivelocation information. DSC is used by mariners for two major operations—distresscalls and position reporting.For more information about DSC and Maritime Mobile Service Identity (MMSI)numbers, see page 105 in the “Appendix.”When your GPSMAP 3206/3210 is connected to a VHF radio with DSC support,the GPS unit displays a call list, log, and a directory that stores incominginformation received from another user’s DSC-capable VHF/GPS combination.Basic wiring is required for the Garmin unit and VHF radio to send and receiveNMEA data from each other. See the GPSMAP 3206/3210 & GPS 17 InstallationInstructions for more information.