Furuno VR-7000 Installation Manual page 84

APPENDIX 4 DIGITAL INTERFACE
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 this message (01 to 99)
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 (999 or 10001 to 10999)
7. Alert instance (null)
8. Revision counter (1 to 99)
9. Additional alert entries (same as 5 and 8)
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
6. Alert priority (A=Alarm, W=Warning, C=Caution), null when #2 is 2.
7. Alert state (V=Not ACKed, S=Silence, A=ACked, O*/U=Resolved, Not ACKed,
N=Normal state), null when #2 is 2.
*: Not supported.
8. Manufacturer mnemonic code (FEC, null)
9. Alert identifier (999 or 10001 to 10999)
10. Alert instance (null)
11. Revision counter (1 to 99)
12. Escalation counter (0 to 2)
13. Alert text (max. 16 characters)
ALR - Set alarm state
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
1 2 3 4 5
1. Time of alarm condition change, UTC (000000.00 to 240001.00)
2. Unique alarm number (identifier) at alarm source (000 to 999)
3. Alarm condition (A=threshold exceeded, V=not exceeded)
4. Alarm's acknowledge state (A=acknowledged, V=not acknowledged)
5. Alarm's description text (alphanumeric)
AP-14
6 7 8 9
5 6 7 8 9 10 11 12 13