21. AIS Target Functions
21-4
21.2.4 Maximum number and range for displaying AIS targets on
ECDIS
You can choose maximum number of AIS targets to display on the
ECDIS. Further, you can also define the range within which to show
AIS targets on the ECDIS. These items are available on the Targets
page in the Chart Display dialog box.
In this example the max number of AIS targets to display is 200 and
they must be within 24 nm of own ship.
21.2.5 Source of AIS target related alarms
The alarm “3500 AIS Target Overflow” warns that the maximum number of AIS targets set to display on the ECDIS
has exceeded the user-specified maximum range. It is possible that some of the AIS targets are not displayed on the
ECDIS. To display all AIS targets, increase maximum number of AIS targets or decrease value of maximum range.
This can be done on the Tracking page in the Chart Display dialog box.
The alarm “3501 AIS Target storage full” warns that the maximum number of AIS targets which can be stored for
displaying on ECDIS has been exceeded.
The alarm “4037 AIS receive error” warns that data from an AIS transponder is not correctly received.