Garmin GPSMAP 741xs Owner's Manual - Page 66
Adding a DSC Contact, Viewing the DSC List, Receiving Distress Calls
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Digital Selective Calling (DSC) Adding a DSC Contact You can make calls to a DSC contact from the chartplotter. See page 62 for information on making an individual routine call. 1. While viewing a chart, press MENU > Other Vessels > DSC > DSC List > Add Contact. 2. Use the Rocker to enter the Maritime Mobile Service Identity (MMSI) number of the vessel, and press SELECT. 3. Use the on-screen keyboard to enter the name of the vessel, and select Done. Viewing the DSC List The DSC list is a log of the most-recent DSC calls and other DSC contacts you have entered. The DSC list can contain up to 100 entries. The DSC list shows the most-recent call from a boat. If a second call is received from the same boat, it replaces the first call in the call list. From a chart screen, press MENU > Other Vessels > DSC > DSC List. Receiving Distress Calls If your Garmin chartplotter and VHF radio are connected via NMEA 0183 or NMEA 2000, your chartplotter alerts you when your VHF radio receives a DSC distress call. If position information was sent with the distress call, that information is also available and recorded with the call. The symbol designates a distress call in the DSC List and marks the position of a vessel on the Navigation chart at the time the DSC distress call was sent. When you receive a DSC distress call: 1. Select Review to view details about the call. 2. Complete one of the following: • Select Call with Radio to set up an individual routine call with the radio to call the vessel in distress (page 62). This option is only available if you are using a Garmin NMEA 2000-compatible VHF radio. • Select Edit to edit the vessel name and 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. Man-Overboard Distress Calls Initiated from a VHF Radio When your Garmin chartplotter is connected to a Garmin NMEA 2000-compatible radio and you initiate a man-overboard DSC distress call from your radio, your Garmin chartplotter displays the man-overboard screen and prompts you to navigate to the man-overboard point. If you have a Garmin autopilot system connected to the network, your chartplotter prompts you to start a Williamson turn to the man-overboard point. If you cancel the man-overboard distress call on the radio, the man overboard screen no longer appears. 60 GPSMAP 400/500 Series Owner's Manual