Furuno NAVNET 3D MFD8/12/BB Installation Manual page 56

"Own" settings for each MFD(s) before being able to select the corresponding
instruments as a data source.
Select the "Data Source" Tab. This tab allows you to select the Primary System Data
Source for various data types used by the Navnet 3D Network.
Name
Position & SOG/COG
Heading
Speed Through Water
Description
Choose the position-fixing
sensor to use.
Choose the heading sensor
to use
Choose the speed (STW)
sensor to use.
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Example
GP-320B, GP-330, NMEA
2000 format GPS
SC-30, SC-50, PG-500,
PG-1000, Other
Smart sensor (NMEA
0183), Speed sensor
(ETR), Smart sensor
(NMEA 2000), Other
(NMEA 0183)