Technical information
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6.3 DGNSS Port
The DGNSS correction port is intended for connection to a beacon receiver.
The port has the same physical characteristics as the bi-directional data ports
as described in the preceding sections. If connection of a beacon receiver is
not required this port can be re-configured as an additional bi-directional port
to IEC61162-2.
6.4 Input data sentence formats
All data input is via IEC61162 / NMEA 0183 sentences. For details of the
sentences and their checksums please refer to IEC61162-1.