Garmin GPS 400W, Installation Manual

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GNS 400W Series Installation Manual Page D-3
190-00356-08 Rev. G
D.4 Output Sentence Type 2
The 400W Series Type 2 output sentences have the following general format:
id - item designator (3 ASCII characters)
seq - sequence number (1 binary byte)
wpt - waypoint identifier (5 ASCII characters)
lat - waypoint latitude (3 binary bytes)
lon - waypoint longitude (4 binary bytes)
mvar - magnetic variation at waypoint (2 binary bytes)
CR - ASCII carriage return character (0D hex)
LF - ASCII line feed character (0A hex)
Each waypoint in the route being navigated by the 400W Series unit has a Type 2 sentence output by the
400W Series unit approximately once every second.
If no route is being navigated by the 400W Series unit (i.e., the active route is empty), the following Type
2 sentence is output approximately once every second:
id - item designator (3 ASCII characters; route sequence number is "01")
seq - sequence number (1 binary byte; last waypoint flag is set; route sequence number is 1)
CR - ASCII carriage return character (0D hex)
LF - ASCII line feed character (0A hex)