Furuno ECDIS FMD-3100 Installation Manual page 64

APPENDIX 3 DIGITAL INTERFACE
ACN - Alert command
$--ACN,hhmmss.ss,aaa,x.x,x.x,c,a*hh<CR><LF>
1 2
1. Time (No use)
2. Manufacturer mnemonic code (3 digit alphanumeric code, null)
3. Alert Identifier (0, 1 to 999 or 10000 to
4. Alert Instance (0 to 999999, null)
5. Alert command (A,Q,O,S)
A=acknowledge
Q=request/repeat information
O=responsibility transfer
S=silence
6. Sentence status flag(C) (fixed)
ALC - Cyclic alert list
$--ALC,xx,xx,xx,x.x, aaa,x.x,x.x,x.x,'''''',*hh<CR><LF>
1 2 3 4 5
1. Total number of sentences for this message (01
2. Sentence number (01 to 99)
3. Sequential message identifier (00 to 99)
4. Number of alert entries (0 to 3)
5. Manufacturer mnemonic code (FEC, null)
6. Alert identifier (1 to 999 or 10000 to 9999999)
7. Alert instance (1 to 999999,
8. Revision counter (1 to 99)
9. Additional alert entries (see Note)
Note: Alert entry 0 to n: Each alert entry consists of
- Manufacturer Identifier (see ALF Manufactuer)
- Alert Identifier (see ALF Alert identifier)
- Alert instance (see ALF instance)
- Revision counter (see ALF revision counter)
Each entry identifies a certain alert with a certain state.
It is not allowed that an alert entry is split between two ALC sentences.
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 for 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 59.99), null when #2 is 2
5. Alert category (A=Alert category A, B=Alert category B, C=Alert category C), null when #2 is 2
6. Alert priority (A=Alarm, W=Warning, C=Caution), null when #2 is 2
7. Alert state (A/S/O/U/V/N/null)
A=Acknowledged
S=Silence,
O=Active-responsiblity transferred
U=Rectified-unacknowledged
V=Not acknowledged
N=Normal state
null when #2 is 2
8. Manufacturer mnemonic code (FEC, null)
9. Alert identifier (1 to 999 or 10000 to 9999999)
10. Alert instance (1 to
11. Revision counter (1 to 99)
12. Escalation counter (0 to 9)
13. Alert text (max. 16 characters)
AP-8
3 4 5 6
9999999)
6 7 8 9
null)
5 6 7 8 9 10 11 12 13
999999, null)
to 99)
Alert entry 1
See Note