ACR Electronics Nauticast 2625 Manuel d'installation télécharger pdf (Page 25)

Installation Manual 21 Y1-03-0204 Rev.K

3.8.5 Priority Handling of Sensor Sentence

This table shows the priority handling of NMEA sentences. The sentences which are treated

with higher priority are listed first.

Positioning System

Source

Priority

HIGH

Time of Position

Latitude/Longitude

GNS

Position accuracy

GLL

GGA

RMC

Rate of Turn(ROT)

ROT

Reference Datum

DTM

Speed over Ground

VBW

VTG

OSD

RMC

Heading

HDT

OSD

RAIM Indicator

GBS

LOW

3.8.6 Supported NMEA-0183 Sentences

DTM - Reference

1 2 3 4 5 6 7 8 9

| | | | | | | | |

$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>

Field Numbers:

1) Local datum code (W84,W72,S85,P90,999-user defined, IHO datum code)

2) Local datum subdivision code

3) latitude offset, minutes

4) N or S (North or South)

5) longitude offset, minutes

6) E or W (East or West)

7) altitude offset, meters

8) Reference datum code ((W84,W72,S85,P90)

9) CRC

Used Fields: 1,8

1: Local datum code

8: Reference datum code

GGA - Positioning System Fix Data

Time, Position and fix related data form GPS receiver.

1 2 3 4 5 6 7 8 9 10 | 12 13 14 15

| | | | | | | | | | | | | | |

$--GGA,hhmmss.ss,llll.ll,a,yyyyy.yy,a,x,xx,x.x,x.x,M,x.x,M,x.x,xxxx*hh

Field Numbers:

1) UTC

2) Latitude

3) N or S (North or South)

4) Longitude

5) E or W (East or West)

6) GPS Quality Indicator,

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 82 83

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ACR Electronics Nauticast 2625 Manuel d'installation Page 25

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