Furuno ECDIS FMD-3100 Installation Manual page 65

ALR - Set alarm state
$--ALR,hhmmss.ss,xxx,A,A,c—c*hh<CR><LF>
1 2 3 4
1. Time of alarm condition change, UTC (000000.00 to 235959.99)
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 characters, max. 32)
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 (000000.00 to 235959.99)
2. Used for proprietary alerts, defined by the manufacturer (FEC, null)
3. The alert identifier (1 to 999 or 10000 to 9999999)
4. The alert instance (1
5. Refused alert command (A, Q, O, S)
A=acknowledge
Q=request/repeat information
O=responsibility transfer
S=silence
CUR - Current
$--CUR,A,x,x.x,x.x,x.x,a,x.x,x.x,x.x,a,a*hh<CR><LF>
1 2 3 4 5 6 7 8 9 1011
1. Validity of data (A=valid, V=not valid)
2. Data set number (0 to 9)
3. Layer number (0.0 to 3.0)
4. Current depth in meters (0.00 to 99.99)
5. Current direction in degrees (0.00 to 360.00)
6. Direction reference in use (true or relative)
7. Current speed in knots (0.00 to 99.99)
8. Reference layer depth in meters (No use)
9. Heading (0 to 360.00)
10. Heading reference in use (true or magnetic)
11. Speed reference (B=Bottom track W=Water track P=Positioning system)
DBT - Depth below transducer
$--DBT,xxxx.x,f,xxxx.x,M,xxxx.x,F*hh<CR><LF>
1 2 3
1. Water depth (0.00 to 99999.99)
2. feet
3. Water depth (0.00 to 99999.99)
4. Meters
5. Water depth (0.00 to 99999.99)
6. Fathoms
DPT - Depth
$--DPT,x.x,x.x,x.x*hh<CR><LF>
1 2 3
1. Water depth relative to the transducer, meters (0.00 to 99999.99)
2. Offset from transducer, meters (No use)
3. Maximum range scale in use (No use)
5
3 4 5
to 999999, null)
4 5 6
APPENDIX 3 DIGITAL INTERFACE
AP-9