Furuno GS-100 Operator's Manual page 111

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.
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. 18 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)
ATT sentence
Proprietary sentence or FURUNO sentence
Only P sentence: output rate of 20ms, 25ms, 100ms, 200ms, 1s, 2s, 20ms, selectable
ATT-True heading, pitching, rolling
$PFEC,GPatt,xxx.x,+xx.x,+xx.x<CR><LF>
(IEC61162-1 (NMEA0183) Ver1.5)
$PFEC,GPatt,xxx.x,+xx.x,+xx.x*hh<CR><LF>
(IEC61162-1 (NMEA0183) Ver2.0, IEC61162-2)
CUR-Water current layer–Multi-layer water current data
$**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 (1 to 3)
4. Current depth in meters (no use)
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 (no use)
5 6 7 8 9 10 11 12 13
2 3 4 5
APPENDIX 6 DIGITAL INTERFACE (IEC 61162-1/2/450)
AP-17