Furuno FEA-2807 - How to Display AIS Targets; How to Filter AIS Targets

21. AIS Target Functions
21-4
21.3 How to Display AIS Targets
06.xx 06.xx
Targets that are being tracked by an AIS transponder can also be
displayed on the ECDIS display. To do this;
Put the cursor on the text AIS in the information area then push the left
mouse button to select an option (DISP OFF, DISP FIL, DISP ALL).
The maximum number of AIS targets on the ECDIS display is 240. The number of AIS targets on display can be
limited by filtering AIS targets (option DISP FIL), then the max. number of AIS target on display is user defined.
For more information, see section 21.4 "How to Filter AIS Targets".
Maximum range of AIS target from own ship on ECDIS display is 48 NM. Range of AIS target can be limited by
filtering AIS targets (option DISP FIL), then the max. Range of AIS target is user defined. For more information,
see section 21.4 "How to Filter AIS Targets".
If the number of AIS targets on the ECDIS display exceeds the limit, then "Priority" selection is used to select AIS
targets on the ECDIS display. For details, see section 21.4 "How to Filter AIS Targets".
Note: Notification of AIS target display capacity limit is given well before it is reached. When 95% of the operator-
set limit is reached for displayed AIS targets, the alert "636 AIS display 95% full" appears. When user set limit is
reached, the alert "637 AIS display 100% full" appears.
Notification of AIS target processing capacity limit is given well before it is reached. The alert "638 AIS storage
95% full" will be given when 95 percent of 1500 targets are in storage buffer and the alert "639 AIS storage 100%
full" will be given when 1500 targets or more are in the storage buffer.
21.4 How to Filter AIS Targets
Right-click the AIS setting indication in the information area to show the AIS filter
page, shown below.
1. Check desired categories of AIS targets to be displayed in "AIS filter" field.
2. Select maximum number and maximum range of AIS symbols on display
3. Select "Priority", spin the scrollwheel to select the filtering method desired (CPA,
TCPA or RANGE) then push the scrollwheel or the left button. Examples of how
the AIS filter works are shown in the illustrations on the next few pages.
4. Set min speed and length for displayed AIS target.
Note that the item "Speed min" does not filter ATON and Base station.
The item "Length min" does not filter ATON, SAR Aircraft, SART and Base
Station.