NKE REGATTA - NMEA Sentences Input Priority Rules

13 47_processor_Regatta_um_UK_40
5.10 NMEA sentences input priority rules
A priority order is given to the data coming from the Topline bus on NMEA data.
NMEA sentences from the displays have a priority order on those coming from the
processor.
Each Function can be fed by several NMEA sentences. The table below indicates priority
between NMEA sentences.
Num Variable High Medium High
Med
ium
Low
Low
21 Boat speed VBW VHW
22 Depth DPT DBT
27
UTC minutes and seconds
ZDA RMC
32 Log VLW
31 Daily Log VLW
47
UTC Hour and day
ZDA, RMC
48 Air Temperature MTA MDA
49 Water Temperature MTW MDA
62 Distance to Waypoint BWC RMB BWR ZDL_R
63 Bearing to Waypoint BWC RMB BWR
64 Cross Track Error RMB APB XTE XTR
67 VMG to Waypoint WCV RMB
69 UTC Year and Month ZDA RMC
70 Autopilot Status APB XTE
71
Bearing Origin Waypoint to
Destination Waypoint
APB BOD
76 Speed of Current VDR
77 Direction of Currant VDR
86
Latitude Degrees and Minutes
GNS GGA RMC GLL
87
Latitude Minutes decimals
GNS GGA RMC GLL
88
Longitude Degrees and Minutes
GNS GGA RMC GLL
89
Longitude Minutes decimals
GNS GGA RMC GLL
118 True Heading – geographical North HDT HDG VHW
119
Barometric pressure – High
resolution
MMB MDA
192
Apparent Wind Speed – High
resolution
MWV VWR
193
Apparent Wind Angle – High
resolution
MWV VWR
198
Magnetic Heading – Safe Mode
KVH HDG
199
Heel Angle – Safe Mode
KVH
200
Trim Angle – Safe Mode
KVH
207
Rate of turn and direction of turn
ROT
208 Speed Over Ground VBW RMC VTG
209 Course over Ground VBW RMC VTG
225 Distance to Layline ZDL_T
226 Time to Layline ZDL_T
222 Time to Waypoint ZDL_R