User's Manual

Table Of Contents
ED 3100 G 140 / 04 (2011-11)
Operating Instructions
V-2 Alarm Management
V Alarms.fm / 10.11.11
V-21
NACOS Platinum
AIS Oper. Unit Offline
The indicator electronic does not communicate with the AIS electronics unit. The AIS continues
operating.
Remedy: Check the cabling and connection between RADAR and AIS system.
AIS RX Ch. A Malfunction
The AIS stopped the transmission on the channel A.
Remedy: The AIS system must be exchanged.
AIS RX Ch. B Malfunction
The AIS stopped the transmission on the channel B.
Remedy: The AIS system must be exchanged.
AIS RX DSC Malfunction
The AIS stopped the transmission on the channel 70.
Remedy: The AIS system must be exchanged.
AIS TX Malfunction
The AIS system stopped transmission.
Remedy: Check the AIS system. Check the antenna and the antenna cabling (short circuit or
missing contact at the connectors). Call the service at the next possible harbour, be aware that your
ship might not be visible for other ships as an AIS target.
AIS VSWR Limit Exceeded
The AIS system continues operation: The VSWR (voltage standing wave ratio) checked by the AIS
is out of range. The distance from where your own ship is visible for other ships a an AIS target is
significantly reduced to a very few miles only.
Remedy: Check the AIS system. Check of the AIS UHF antenna, antenna cabling and connectors.