GPSMAP 640 Owner’s Manual Marine Mode: Managing Information From Other VesselsMarine Mode: Managing InformationFrom Other VesselsUse the Information screen to view and manage information aboutother boats.Note: To view information about other boats, your unit must beconnected to an external Automatic Identification System (AIS) orDigital Selective Calling (DSC) device.Viewing AIS InformationFrom the Home screen, touch information > other Vessels >aiS List to view the Maritime Mobile Service Identities (MMSIs)or names (if the boat is broadcasting a name) of nearby AIS-equipped boats.The AIS list is sorted by range, with the nearest boat at the top ofthe list.Viewing DSC InformationFrom the Home screen, touch information > other Vessels >DSC List to view a list of all received DSC distress calls andposition reports.By default, the DSC list is sorted by name. To change the sorting ofthe DSC list, touch Menu, then choose a category to sort by:Sort by Name—(default) show an alphanumerical list of DSCcalls and reports, sorted by name.Sort by time—show the most recent DSC calls and reportsreceived, sorted and listed chronologically by time and date.Calls and reports with identical time and date information showthe same information in the list.Sort by MMSi—show an alphanumerical list of calls andreports, sorted by MMSI number.Sort by type—separate distress calls from position reports, andshow the most recent calls or reports, sorted chronologically.••••
