Digital Selective Calling
To show or hide the trail line for a specific vessel that is sending position reports:
1.From the Home screen, select Information > DSC List.
2.Select the vessel from the list, and then select Review.
3.Select Trail to show or hide the trail for the vessel on the Navigation Chart.
To change the symbol and color of the trail line for a vessel:
1.From the Home screen, select Information > DSC List.
2.Select any call from that vessel from the list, and then select Review > Edit.
3.Select Symbol to edit the symbol, or select Trail Line to edit the line color.
Placing an Individual Routine Call
When you connect your Garmin chartplotter to a Garmin VHF NMEA
The selection of a DSC channel is limited to those channels that are available in all frequency bands: 6, 8, 9, 10, 13, 15, 16, 17, 67, 68, 69, 71, 72, 73, or 77.
NOTE: The default channel is 72. However, select Channel to select a different channel from the list. If you select a different channel, the chartplotter will use that channel for subsequent calls until you call using a different channel.
To make an individual routine call:
1.While viewing a chart, select Menu > Other Vessels > DSC List.
2.Select the station to call from the list.
3.Select Review > Call with Radio.
4.Select Send to send the information about the call to the radio.
5.On your Garmin VHF radio, select Call.
Calling an AIS Target
When you connect your Garmin chartplotter to a Garmin VHF NMEA
To make an individual routine call to an AIS target:
1.While viewing a chart, select an AIS target 
.
2.Select AIS Vessel > Call with Radio.
3.Select Send to send the information about the call to the radio.
4.On your Garmin VHF radio, select Call.
DSC
52 | GPSMAP® 4000/5000 Series Owner’s Manual |