Garmin GPSMAP 740/740s Owner's Manual - Page 83

Digital Selective Calling Digital Selective Calling Chartplotter and VHF Radio Functionality The following table indicates the features that are available when you connect your chartplotter to a VHF radio over a NMEA 0183 network or a NMEA 2000 network. Functionality NMEA 0183 VHF Radio The chartplotter can transfer your GPS X position to your radio. If your radio is capable, GPS position information is transmitted with DSC calls. The chartplotter can receive DSC distress X and position information from the radio (page 80) The chartplotter can track the positions X of vessels sending position reports (page 81). The chartplotter allows you to quickly set up and send individual routine call details to your Garmin VHF radio (page 83). When you initiate a man-overboard distress call from your radio, the chartplotter shows the man-overboard screen and prompts you to navigate to the man-overboard point (page 80). When you initiate a man-overboard distress call from your chartplotter, the radio shows the Distress Call page to initiate a man-overboard distress call (page 80). NMEA 2000 VHF Radio X X X Garmin NMEA Garmin NMEA 0183 VHF 2000 VHF Radio Radio X X X X X X X X X Turning On DSC From the Home screen, select Configure > Other Vessels > DSC > On. About 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. Viewing the DSC List Your chartplotter must be connected to a VHF radio that supports DSC in order to view the DSC list. From the Home screen, select Information > Other Vessels > DSC List. GPSMAP 700 Series Owner's Manual 79