Garmin GPSMAP 741xs Owner's Manual - Page 67
Man-Overboard Distress Calls Initiated from the Chartplotter, Position Tracking, InFormation
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Man-Overboard Distress Calls Initiated from the Chartplotter When your Garmin chartplotter is connected to a Garmin NMEA 2000-compatible radio and you activate navigation to a man-overboard location, the radio displays the Distress Call page to initiate a man-overboard distress call. On the radio, press and hold the DISTRESS key for at least three seconds to send the distress call. For information on placing distress calls from your Garmin radio, see your Garmin VHF Radio Owner's Manual. For information on activating navigation to a man-overboard location, see page 24. Position Tracking When you connect your Garmin chartplotter to a VHF radio using NMEA 0183, you can track vessels that send position reports. This feature is also available with NMEA 2000, provided that the vessel sends the correct PGN data (PGN 129808; DSC Call Information). Every position report call received is logged in the DSC list (page 40). 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 call with the radio to call the vessel that sent the position report. This option is only available if you are using a Garmin NMEA 2000‑compatible VHF radio. Digital Selective Calling (DSC) • Select Edit to edit the vessel name and the vessel symbol, and to add a comment. If your radio is tracking the position of the vessel, select Trail to show or hide the trail line for the vessel, and select Trail Line to change the line color. Select Clear Report to delete the call report. Select Create Waypoint to set a waypoint at the position sent with the distress call. • Select Clear Report to delete the call report. • Select Navigate To to Go To or Route To the location sent with the position report (page 10). Configuring Vessel Trails on the Navigation Chart If you have your chartplotter configured to show trails, the Navigation chart displays a black dot for each reported position, a black line indicating the path of the vessel, and a Blue Flag symbol indicating the last reported position. To set the duration of displayed trail points: 1. From a chart screen, press MENU > Other Vessels > DSC > DSC Trails. 2. Select the number of hours to show tracked vessels on the Navigation chart. For example, if you select 4 Hours, all trail points (less than four hours old) for tracked vessels are displayed. To turn trail lines off for tracked vessels: 1. From a chart screen, press MENU > Other Vessels > DSC > DSC Trails. 2. Select Off to turn trails off for every vessel. GPSMAP 400/500 Series Owner's Manual 61