Furuno GS-100 Operator's Manual page 126

APPENDIX 6 DIGITAL INTERFACE (IEC61162-1/2/450)
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 (hh=00 to 23, mm=00 to 59, ss.ss=00.00 to 60.99), null
5. Alert category (A=Alert category A, B=Alert category B, C=Alert
category C), null when #2 is 2.
6. Alert priority (E=Emergency Alarm, A=Alarm, W=Warning, C=Caution), null when
#2 is 2.
7. Alert state (V=Active – unacknowledged, S=Active – silenced, A=Active –
acknowledged or active, O=Active – responsibility transferred, U=Rectified –
unacknowledged, N=Normal), null when #2 is 2.
8. Manufacturer mnemonic code (FEC, null)
9. Alert identifier (000 to 999999)
10. Alert instance (1 to 999999)
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
2. Unique alarm number (identifier) at alarm source
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 2
1. Release time of the Alert Command Refused(UTC)
2. Used for proprietary alerts, defined by the manufacturer (FEC, null)
3. The alert identifier( 000 to 999999)
4. The alert instance(1 to 999999)
5. Refused Alert Command(A, Q, O, S)
A=acknowledge: A
Q=request/repeat information
O=responsibility transfer
S=silence
AP-18
5 6 7 8 9 10 11 12 13
2 3 4 5
3 4 5