Garmin ECHOMAP UHD 72sv Owners Manual - Page 36
Chartplotter and NMEA 0183 VHF Radio, Functionality, Turning On DSC, DSC List, Incoming Distress
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2 From the trolling motor bar, select > Calibrate > Bow Offset. Digital Selective Calling Chartplotter and NMEA 0183 VHF Radio Functionality When your chartplotter is connected to a NMEA 0183 VHF radio, these features are enabled. • The chartplotter can transfer your GPS position to your radio. If your radio is capable, GPS position information is transmitted with DSC calls. • The chartplotter can receive digital selective calling (DSC) distress and position information from the radio. • The chartplotter can track the positions of vessels sending position reports. Turning On DSC Select Settings > Other Vessels > DSC. 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. Viewing the DSC List Before you can view the DSC list, the chartplotter must be connected to a VHF radio that supports DSC. Select Nav Info > Other Vessels > DSC List. Adding a DSC Contact You can add a vessel to your DSC list. You can make calls to a DSC contact from the chartplotter. 1 Select Nav Info > Other Vessels > DSC List > Add Contact. 2 Enter the Maritime Mobile Service Identity (MMSI) of the vessel. 3 Enter the name of the vessel. Incoming Distress Calls If your compatible chartplotter and VHF radio are connected using NMEA 0183, 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. designates a distress call in the DSC list and marks the position of the vessel on the Navigation chart at the time of the DSC distress call. Navigating to a Vessel in Distress designates a distress call in the DSC list and marks the position of a vessel on the Navigation chart at the time of the DSC distress call. 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select Navigate To. 4 Select Go To or Route To. Position Tracking When you connect the chartplotter to a VHF radio using NMEA 0183, you can track vessels that send position reports. This feature is also available with NMEA 2000, when the vessel sends the correct PGN data (PGN 129808; DSC Call Information). Every position report call received is logged in the DSC list (DSC List, page 30). Viewing a Position Report 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select an option: • To view the position report details, select . • To view to a chart marking the location, select . Navigating to a Tracked Vessel 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select Navigate To. 4 Select Go To or Route To. Creating a Waypoint at the Position of a Tracked Vessel 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select Create Waypoint. Editing Information in a Position Report 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select Edit. • To enter the name of the vessel, select Name. • To select a new symbol, select Symbol, if available. • To enter a comment, select Comment. • To show a trail line for the vessel if your radio is tracking the position of the vessel, select Trail. • To select a color for the trail line, select Trail Line. Deleting a Position-Report Call 1 Select Nav Info > Other Vessels > DSC List. 2 Select a position-report call. 3 Select Edit > Clear Report. Viewing Vessel Trails on the Chart You can view trails for all tracked vessels on some chart views. By default, a black line indicates the path of the vessel, a black dot indicates each previously reported position of a tracked vessel, and a blue flag indicates the last reported position of the vessel. 1 From a chart or 3D chart view, select MENU > Layers > Other Vessels > DSC > DSC Trails. 2 Select the number of hours to show tracked vessels on the chart. For example, if you select 4 Hours, all trail points that are less than four hours old appear for all tracked vessels. Individual Routine Calls When you connect the chartplotter to a Garmin VHF radio, you can use the chartplotter interface to set up an individual routine call. When setting up an individual routine call from your chartplotter, you can select the DSC channel on which you want to communicate. The radio transmits this request with your call. Selecting a DSC Channel NOTE: The selection of a DSC channel is limited to those channels that are available in all frequency bands. The default 30 Digital Selective Calling