Furuno FAR-2228 Installation Manual page 173

ALF - Alert sentence
$**ALF,x,x,x,hhmmss.ss,a,a,a,aaa,x.x,x.x,x.x,x,c--c,*hh<CR><LF>
1 2 3 4
1. Total number of ALF sentences this message (1, 2)
2. Sentence number (1, 2)
3. Sequential message identifier (0 to 9)
4. Time of last change (000000.00 to 235959.99, 235960.00 to 235960.99, 240000.00 to
240000.99, 240001.00 to 240001.99, null)
5. Alert category (A=Alert category A, B=Alert category B, null)
6. Alert priority (A=Alarm, W=Warning, C=Caution, null)
7. Alert state (A=active-acknowledged or active, S=active-silenced, O=active-responsibility
transferred, U=rectified-unacknowledged, V=active-unacknowledged, N=normal, null)
8. Manufacturer mnemonic code (FEC, null)
9. Alert identifier (0 to 999999)
10. Alert instance (1 to 999999, null)
11. Revision counter (1 to 99)
12. Escalation counter (0 to 9)
13. Alert text (max. 16 characters)
ALR - Set alarm state
$**ALR,hhmmss.ss,xxx,A,A,c—c,*hh<CR><LF>
1
1. Time of alarm condition change, UTC (000000.00 to 235959.99, 235960.00 to 235960.99,
240000.00 to 240000.99, 240001.00 to 240001.99, null)
2. Unique alarm number (identifier) at alarm source (000 to 999, null)
3. Alarm condition (A=threshold exceeded, V=not exceeded)
4. Alarm acknowledge state (A=acknowledged, V=not acknowledged)
5. Alarm description text (alphanumeric)
ARC - Alert command refused
$**ARC,hhmmss.ss,aaa,x.x,x.x,c*hh<CR><LF>
1
1. Release time of the alert command refused (000000.00 to 235959.99, 235960.00 to 235960.99,
240000.00 to 240000.99, 240001.00 to 240001.99, null)
2. Used for proprietary alerts, defined by the manufacturer (FEC, null)
3. The alert identifier (0 to 999999)
4. The alert instance (1 to 999999, null)
5. Refused alert command (A=acknowledge, O=responsibility transfer)
BBM - AIS broadcast binary message
$**BBM,x,x,x,x,xx,s--s,x,*hh<CR><LF>
12 3 4 5 6 7
1. Total number of sentences needed to transfer the message (1 to 9)
2. Sentence number (1 to 9)
3. Sequential message identifier (0 to 9)
4. AIS channel for broadcast of the radio message (0 to 3, null)
5. VDL message number, see ITU-R M.1371 (8 or 14, null)
6. Encapsulated data (1 to 63 bytes)
7. Number of fill-bits (0 to 5)
DDC - Display dimming control
$**DDC,a,xx,a,a*hh<CR><LF>
1 2 3 4
1. Display dimming preset (D=Daytime, K=Dusk, N=Nightime)
2. Brightness percentage (00 to 99)
3. Color palette preset (null)
4. Sentences status flag (R)
5 6 7 8 9 10 11 12 13
2 3 4 5
2 3 4 5
APPENDIX 2 DIGITAL INTERFACE
AP-13