Installation manual
5.3 Text Messages
ID
Description Text
Cause/Source
Reaction of the System / Remedy
07
AIS: UTC clock lost
Internal GPS
Reaction: the transponder unit continues operation using indirect or
semaphore synchronisation
Remedy:
Check GPS Antenna for AIS.
21
AIS: external DGNSS in use
Information
Reaction: Positioning is fully operational
Remedy: no action required
22
AIS: external GNSS in use
Information
Reaction: The transponder unit continues operation using the position data
from a GNSS receiver
Remedy: no action required
23
AIS: internal DGNSS in use
(beacon) 023
Information
Reaction: The transponder unit uses position data from the internal source.
The internal GNSS receiver is capable of processing DGNSS corrections.
Remedy: no action required
24
AIS: internal DGNSS in use
(message 17)
25
AIS: internal GNSS in use
Information
additional to
Alarm ID 25
Reaction: The transponder unit continues operation using the position data
from the internal GPS.
Remedy
Check the sensor and the cabling; Check if the system that delivers the data
is working; Check the baud rate settings of the sensor input
27
AIS: external SOG/COG in use
Information
Reaction: COG/SOG is in full operation
Remedy: no action required
28
AIS: internal SOG/COG in use
Information
additional to
Alarm ID 29 or
ID 30
Reaction: The transponder unit continues operation using the data from the
internal GPS.
Remedy:
Check the sensor and the cabling; Check if the system that delivers the data
is working; Check the baud rate settings of the sensor inputs
31
AIS: Heading valid
Information
Reaction: Heading is in full operation
Remedy: no action required
33
AIS: Rate of Turn Indicator in use
Information
Reaction: A Rate Of Turn indicator is connected and in full operation
Remedy: no action required
34
AIS: Other ROT source in use
Information
Reaction: The transponder unit is operating with ROT data rather than with
TIROT data - therefore the AIS only differs between
+ 127 (turning right at 720 degrees per minute or higher) and
– 127 (turning left at 720 degrees per minute or higher)
5.4 Restarting the NAUTICAST™
The NAUTICAST™ can be restarted during operation by pressing the keys “Shift” + “Fn” +
“Del” simultaneously. It may take up to 6 minutes to receive all information from other ships
again because of their reporting interval.
50
Y1-03-0212H