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Appendix B | V5035 Operator and Installation Manual
Appendix B
Monitoring of System Functions and Integrity
In case a failure is detected in one or more of the following func-
tions or data, an alarm will be triggered and displayed on the menu-
tree under Alarm List, and the system (transponder) will react as
described in the following table.
Alarm-s description text Alarm ID Reaction of the system (transponder)
AIS: Tx malfunction 001 Stop transmission
AIS: Antenna VSWR exceeds limit 002 Continue operation
AIS: Rx channel 1 malfunction 003 Stop transmission on affected channel
AIS: Rx channel 2 malfunction 004 Stop transmission on affected channel
AIS: Rx channel 70 malfunction 005 Continue operation
AIS: general failure 006 Stop transmission
AIS: UTC sync invalid 007 Continue operation using indirect or sema-
phore synchronisation
AIS: MKD connection lost 008 Continue operation
AIS: internal / external GNSS posi-
tion mismatch
009 Continue operation
AIS: NavStatus incorrect 010 Continue operation
Heading sensor offset 011 Continue operation
AIS: active AIS SART 014 Continue operation
AIS: external EPFS lost 025 Continue operation
AIS: no sensor position in use 026 Continue operation
AIS: no valid SOG information 029 Continue operation using default data
AIS: no valid COG information 030 Continue operation using default data
AIS: Heading lost/invalid 032 Continue operation using default data
AIS: no valid ROT information 035 Continue operation using default data
Antenna VSWR Exceeds Limit
There is a built-in RF output power detector, which is used to moni-
tor the VSWR of VHF antenna port. If the antenna VSWR exceeds
limit, an alarm will be reported while the unit operates continuously.
The system will output an ALR 002 at related PI port.
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