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Chapter 8 DETAIL PERFORMANCE SETTINGS
8.7.6 AIS FILTER
Once the AIS filter is set, only the AIS targets that are inside the filter area are displayed (setting can be made
such that AIS targets outside the AIS filter will not be shown).
The filter is initially set in a circle having a radius of 20[NM] from the own ship’s position.
If 50 or more targets exist in the filter range, they are displayed according to the priority explained in “AIS
Symbols”.
8.8 ERROR ALARM MASK
It is possible that even if an error is detected, the error make not to display on the screen.
Do not change the set value carelessly. If alarm detection is turned off or detection time is changed, be
careful because the alarm may not occur or may be delayed.
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