GPSMAP 400/500 Series Owner’s Manual Digital Selective CallingMan-Overboard Distress Calls Initiatedfrom a VHF RadioWhen your Garmin chartplotter is connected to a Garmin NMEA2000-compatible radio and you initiate a man-overboard DSCdistress call from your radio, your Garmin chartplotter displays theman-overboard screen and prompts you to navigate to the man-overboard point. If you have a Garmin autopilot system connectedto the network, your chartplotter prompts you to start a Williamsonturn to the man-overboard point.If you cancel the man-overboard distress call on the radio, the manoverboard screen no longer appears.Man-Overboard Distress Calls Initiatedfrom the ChartplotterWhen your Garmin chartplotter is connected to a Garmin NMEA2000-compatible radio and you activate navigation to a man-overboard location, the radio displays the Distress Call page toinitiate a man-overboard distress call. On the radio, press and holdthe DISTRESS key for at least three seconds to send the distresscall.For information on placing distress calls from your Garmin radio,see your Garmin VHF Radio Owner’s Manual. For information onactivating navigation to a man-overboard location, see page 25.Position TrackingWhen you connect your Garmin chartplotter to a VHF radio usingNMEA 0183, you can track vessels that send position reports. Thisfeature is also available with NMEA 2000, provided that the vesselsends the correct PGN data (PGN 129808; DSC Call Information).Every position report call received is logged in the DSC list(page 41).To view a list of position reports:1. From the Home screen, select Information > Other Vessels >DSC List.2. Select from the following options:Select Call with Radio to set up an individual routine callwith the radio to call the vessel that sent the position report.This option is only available if you are using a Garmin NMEA2000-compatible VHF radio.Select Edit to edit the vessel name and the vessel symbol,and to add a comment. If your radio is tracking the positionof the vessel, select Trail to show or hide the trail line forthe vessel, and select Trail Line to change the line color.Select Clear Report to delete the call report. Select CreateWaypoint to set a waypoint at the position sent with thedistress call.Select Clear Report to delete the call report.•••