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Chapter 3: Operation
Common Commands and Messages
Table 3-2 below through Table 3-3 provide brief descriptions of common
NMEA commands and messages for the V104n. Refer to the Hemisphere
GNSS GPS Technical Reference for more detailed information
Table 3-2: Received messages based on a request
PG No.
(PGN)
059392
059904
060928
126996
126464
129538
Description
ISO Acknowledgment
Used to acknowledge the status of certain
requests addressed to a specific ECU.
ISO Request
Request the transmission of a specific PGN,
addressed or broadcast.
ISO Address Claim
Used to identify to other ECUs the address
claimed by an ECU.
Product Information
NMEA 2000 database version supported,
manufacturer's product code, NMEA 2000
certification level, Load Equivalency
number, and other product-specific
information.
Receive/Transmit PGNs group function
The Transmit / Receive PGN List Group type
of function is defined by first field. The
message will be a Transmit or Receive PGN
List group function.
GNSS Control Status
GNSS common satellite receiver parameter
status.
30
Default
Update
Freq. (Hz)
Rate
(msec)
On
On
Request
Request
On
On
Request
Request
On
On
Request
Request
On
On
Request
Request
On
On
Request
Request
On
On
Request
Request
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