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Table 2–4. Integrity Alarm Conditions Signalled Using ALR Sentence Formatter
As per IEC 61193–2
Alarm's description
text
AIS: Tx malfunction
AIS: Antenna VSWR exceeds limit
AIS: Rx channel 1 malfunction
AIS: Rx channel 2 malfunction
AIS: Rx channel 70 malfunction
AIS: general failure
AIS: MKD connection lost
AIS: external EPFS lost
AIS: no sensor position in use
AIS: no valid SOG information
AIS: no valid COG information
AIS: Heading lost/invalid
AIS: no valid ROT information
AIS: IEC Com Error
If applicable
1
When so configured
2
Initial Issue
Page 2–24
Aviation Recorders
Marine Systems
A
V
001
A
V
002
A
V
003
A
V
004
A
V
005
A
V
006
A
V
008
A
V
025
A
V
026
A
V
029
A
V
030
A
V
032
A
V
035
A
V
051
Reaction of the system to the alarm
condition threshold exceeded
Stop transmission
Continue operation
Stop transmission on affected channel
Stop transmission on affected channel
Stop transmission on affected channel
Stop transmission
continue operation with "DTE" set to "1"
continue operation
continue operation
continue operation using default data
continue operation using default data
continue operation using default data
continue operation using default data
indicates miswired NMEA port, continue
operation
1
2
2
2
2
165M0601-00
Feb. 01/05
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