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VHF 300 Series Owner’s Manual 29
Advanced Operation
Advanced Operation
NMEA 0183 and NMEA 2000
Connect your radio to a NMEA 0183 network or to a NMEA 2000 network to perform the
following functions:
Transfer received DSC distress and position information to any compatible chartplotter.
Receive GPS position. GPS position can be displayed on the Home screen and is
transmitted with DSC calls. The icon is displayed when GPS data is available, and
blinks when GPS data is not present. When GPS data is not present, the radio will signal
for you to enter your position manually every four hours.
Transfer AIS information that the radio receives from other vessels. The radio can
transfer this data over a NMEA 2000 network or a NMEA 0183 high-speed network. For
information on enabling AIS, see page 28.
For supported NMEA 0183 sentences and NMEA 2000 PGNs, see page 49. For more
information on connecting your radio to a NMEA network, see the VHF 300 Series
Installation Instructions.
Additional Functionality with Other Garmin Devices
Your VHF 300 series radio has additional capabilities when connected with other Garmin
devices.
NOTE: Your Garmin chartplotter may require a free software upgrade to use the
functionality listed in this section. Go to www.garmin.com for current updates to your
Garmin chartplotter software.
When you connect your radio to a Garmin chartplotter using NMEA 0183 or
NMEA 2000, your chartplotter can keep track of the current and previous positions of
the contacts in the radio directory.
TIP: Try using position tracking on up to three contacts to automate this process.
When your VHF 300 series radio is connected to a NMEA 2000 network with another
Garmin chartplotter, you can use the chartplotter interface to set up an individual routine
call.
As an additional safety measure, when your VHF 300 series radio is connected to a
NMEA 2000 network and you initiate a man-overboard 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, it prompts you to start a Williamson’s turn to the man-overboard point.
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