Garmin GPSMAP 12 3 Series, Owner'S Manual, Page: 130 / 208

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 channel is 72. If you select a different channel, the chartplotter uses that channel for subsequent calls
until you call using another channel.
1 Select Info > Other Vessels > DSC List.
2 Select a vessel or a station to call.
3 Select Review > Call with Radio > Channel.
4 Select an available channel.
Making an Individual Routine Call
NOTE: When initiating a call from the chartplotter, if the radio does not have an MMSI number programmed, the
radio will not receive call information.
1 Select Info > Other Vessels > DSC List.
2 Select a vessel or a station to call.
3 Select Review > Call with Radio.
4 If necessary, select Channel, and select a new channel.
5 Select Send.
The chartplotter sends information about the call to the radio.
6 On your Garmin VHF radio, complete the call.
Making an Individual Routine Call to an AIS Target
1 From a chart or 3D chart view, select an AIS target.
2 Select AIS Vessel > Call with Radio.
3 If necessary, select Channel, and select a new channel.
4 Select Send.
The chartplotter sends information about the call to the radio.
5 On your Garmin VHF radio, complete the call.
Gauges and Graphs
The gauges and graphs provide various information about the engine and environment. To view the information,
a compatible transducer or sensor must be connected to the network.
118 Gauges and Graphs