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3  Select [Filter] in the classification pane. 
Set up AIS/TT filter in the setting dialog of the edit pane. 
 
When an AIS/TT filter is specified, the targets in that area can be displayed with highest priority or 
only the targets in that area can be displayed. 
 
 
【Creating the Sector Filter】 
4  Click on the [Sector] tab. 
5  Click on [Make Target Filter]. 
The button is highlighted and the cursor mode is set to the Make AIS/TT Filter mode. 
6  Move the cursor, place it on the start angle of the Sector filter that want to set up, and then 
click on it. 
7  Move the cursor, place it on the end angle of the Sector filter that want to set up, and then 
click on it. 
 
 
 
 
【Creating the Ring Filter】 
4  Click on the [Ring] tab. 
5  Click on [Make Target Filter]. 
The button is highlighted and the cursor mode is set to the Make AIS/TT Filter mode. 
6  Move the cursor, place it on the distance of the Ring filter that want to set up, and then 
click on it. 
Input boxes 
(display when 
created)