Furuno FAR-2218-BB - How to Use the AIS Display Filter

4. AIS OPERATION
4-6
4.5 How to Use the AIS Display Filter
If there are too many AIS targets on the screen you may wish to remove unnecessary
ones. You can remove sleeping targets class A/B by distance from own ship, speed
and class. For example, you might want to remove slow moving targets, as they nor-
mally do not require close monitoring.
1. Open the menu.
2. Select [5 TT•AIS].
3. Select [5 AIS].
4. Select [0 NEXT] to show the next menu page.
5. Select [2 AIS DISP FILTER].
6. Referring to the table below, select the appropriate filter, then press the ENTER
MARK key.
*: This menu item appears only on B-type radars.
7. Selected filter’s options, then press the ENTER MARK key.
8. Close the menu.
9. Select the [AIS] box, then left-click to display "DISP FILT" in the [AIS] box.
Note: This function is not available for an activated target.
Filter type Definition
[MAX RANGE] Any sleeping AIS targets class A/B beyond the range
set here will not be shown.
[MIN SHIP SPEED] Any sleeping AIS targets class A/B slower than this set-
ting will not be shown.
[EXCEPT CLASS B]* Select [ON] to remove sleeping AIS targets class B.
[EXCEPT BASE STATION] Select [ON] to remove the BASE STATION symbol.
[EXCEPT PHYSICAL ATON] Select [ON] to remove the AIS PHYSICAL ATON sym-
bol.
[EXCEPT VIRTUAL ATON] Select [ON] to remove the AIS VIRTUAL ATON symbol.