Furuno FAR-3220W-BB, Installation Manual

Page: 130 / 185

APPENDIX 3 DIGITAL INTERFACE
AP-10
HBT - Heartbeat supervision sentence
HDT - Heading, true
MTW - Water temperature
MWV - Wind speed and angle
NRX - NAVTEX received message
$**HBT,x.x,A,x*hh<CR><LF>
1 2 3
1. Configured repeat interval (00.0 to 99.9(s))
2. Equipment status (A=Normal V=System fail)
3. Sequential sequence identifier (0 to 9)
$**HDT, xxx.x,T*hh<CR><LF>
1 2
1. Heading, degrees (0.00 to 360.00)
2. True (T)
$**MTW,x.x,C<CR><LF>
1
1. Water temperature, degrees C (-100.000 - 100.000)
$**MWV,x.x,a,x.x,a,A*hh<CR><LF>
1 2 3 4 5
1. Wind angle, degrees (0.00 - 360.00)
2. Reference (R/T)
3. Wind speed (0.00 - 9999.99)
4. Wind speed units (K=km/h M=m/s N=NM)
5. Status (A)
$**NRX,xxx,xxx,xx,aaxx,x,hhmmss.ss,xx,xx,xxxx,x.x,x.x, A,c--c,*hh<CR><LF>
1 2 3 4 5 6 7 8 9 10 11 12 13
1. Number of sentences (001 to 999)
2. Sentence number (001-999)
3. Sequential message ID (00 to 99)
4. Navtex message code (aaxx aa: AA to ZZ xx: 00 to 99)
5. Frequency table index (0 to 3, null)
6. UTC of receipt of message (no use)
7. Day (0 to 31, null)
8. Month (01 to 12, null)
9. Year (0000 to 9999, null)
10. Total number of characters in this series of NRX sentences (1 to 8000, null)
11. Total number of bad characters (1 to 8000, null)
12. Status indication (A/V, null)
13. Message body (English alphanumeric characters)