L3 Technologies AISA1 Manual Do Utilizador

Marine Systems

Aviation Recorders

Initial Issue
Dec. 01/06

165M0014-10

Page 2–26

Table 2–5. Sensor Status Indications Signalled Using TXT Sentence Formatter

Text Message

Text Identifier

Reaction of the system

AIS: UTC clock lost

007

Continue operation using indirect or semaphore

synchronization

AIS: external DGNSS in use

021

Continue operation

AIS: external GNSS in use

022

Continue operation

AIS: internal DGNSS in use (beacon)

023

Continue operation

AIS: internal GNSS in use (message 17)

024

Continue operation

AIS: internal GNSS in use

025

Continue operation

AIS: external SOG/COG in use

027

Continue operation

AIS: internal SOG/COG in use

028

Continue operation

AIS: Heading valid

031

Continue operation

AIS: Rate of Turn Indicator in use

033

Continue operation

AIS: Other ROT source in use

034

Continue operation

AIS: Channel management parameters changed 036

Continue operation

As per IEC 61193–2