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USER MANUAL MTU AIS-C Page 27
R
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1
The source of the status bits.
Select the method used to provide status information to the MTUAIS transceiver.
•
ACE statements: Through the NMEA port and RS422 will deliver the information to the
AIS.
•
Transceiver module: Non-isolated digital inputs of the transceptor presents in connector
W.
•
Sensor module: In models with sensor board, will be connected to the X and Y
connector.
State bit logic.
Allows you to select the Negative or Positive logic of the digital inputs for connection to the
beacon and Racon.
5.3.5. ALERT MESSAGES.
MTUAIS can be configured to send alert messages under three alert conditions:
- Alert with addressed message in case of System Integrity Alert (BIIT).
- Alert with addressed message in case of proximity of a ship with a configurable distance
radius (only available in type 3).
- Alert with addressed message or broadcast when MTUAIS determines that the position
is outside the terminal radius determined as the maximum limit. A different message
schema can be programmed.
Actions for the BIIT Failure
This section allows the configuration of the text message to be transmitted when a failure in the
Built In Integrity Test (BIIT fault) is detected. This failure may indicate a problem with the
transponder, and it would be prudent to warn ships not to rely on the information provided by
the transponder in this situation. Note that the health of the transponder is always transmitted
as part of the Standard Navigation Aids position report (Message #21), however, the status
contained by this message may not be displayed on all monitors.