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5. AIS Operation
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5.5 How to Filter AIS Targets
If the screen becomes cluttered with AIS targets, you can filter out unnecessary AIS targets from the AIS filter page.
1. Right-click the AIS setting indication in the information area to show the AIS filter page, shown below.
Max. count
Max. range
Priority
Speed min
Length min
2. Check desired categories of AIS targets to show on the display, in the "AIS filter" field.
3. Select maximum number and maximum range of AIS symbols to show on the display.
4. Set Priority to select the filtering method (CPA, TCPA or RANGE), using the scrollwheel or the left button.
5. Set minimum speed and maximum length of AIS targets to show.
The next several pages show examples of how targets are filtered using various filtering methods.
Filtered by CPA Filtered by Range
Filtered by TCPA
Note: On S57 charts, AIS and TT are displayed on top of the chart scale 1:1,000,001.