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APÉNDICE 4 INTERFAZ DIGITAL
DTM - Dato de referencia
$--DTM,ccc,a,x.x,a,x.x,a,x.x,ccc*hh<CR><LF>
1 2 3 4 5 6 7
1. Local datum (W84=WGS84 W72=WGS72 S85=SGS85, P90=PE90
User defined=999, IHO datum code
2. Local datum subdivision code (null or one character)
3. Lat offset, min (-59.99999 to 59.59999)
4. N/S
5. Lon offset, min (no use)
6. E/W
7. Altitude offset, meters (no use)
8. Reference datum (W84=WGS84 W72=WGS72 S85=SGS85, P90=PE90)
ETL - Estado de funcionamiento del telégrafo de las máquinas
$--ETL,hhmmss.ss,a,xx,xx,a,x*hh<CR><LF>
1
2 3 4 5 6
1. Event time (UTC)
2. Message type (O=Order A=Answerback)
3. Position indicator of engine telegraph
00=Stop engine
01=[AH] Dead Slow
02=[AH] Slow
03=[AH] Half
04=Full
05=[AH] Nav. Full
11=[AS] Dead Slow
12=[AS] Slow
13=[AS] Half
14=[AS] Fulll
15=[AS] Crash Astern
4. Position indication of sub telegraph (000 to 100)
5. Operating location indicator (B=Bridge P=Port wing S=Starboard wing C=Engine control room
E=Engine side/local W=Wing
6. Number of engine or propeller shaft (000 to 100)
AP-16
8
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