Furuno NX-700B Operator's Manual page 66

4. INSTALLATION
ALR: Set alarms
$NXALR,hhmmss.ss,xxx,A,A,c--c*hh<CR><LF>
1. Time of alarm condition change, UTC
2. Local alarm number(identifier)
3. Alarm condition(A=threshold exceeded, V=not exceeded)
4. Alarm's acknowledge state, A=acknowledged V=unacknowledged
5. Alarm's description text
6. Checksum
Serial Interface
4-20
| | | | | |
| | | | | +----------------- 6
| | | | +----------------- 5
| | | +-------------------- 4
| | +---------------------- 3
| +------------------------- 2
+--------------------------------- 1