Section 3 Common Basic Operations  3-30 
3.15.5  AIS filter 
 
 
[Sector (start angle)] 
When Sector (start angle) is clicked on, the cursor is set to the Sector (start/end angle) change mode. 
 
[Sector (end angle)] 
When Sector (end angle) is clicked on, the cursor is set to the Sector (end angle) change mode. 
 
[Ring] 
When Ring is clicked on, the cursor is set to the Ring change mode. 
 
The values of Sector (start angle) and Sector (end angle) indicate relative bearings based on the 
ship’s heading as the standard. 
 
 
3.15.6  User map 
The operation of an object in the unselected state is different from that of an object in the selected 
state. 
 
3.15.6.1  Non-selected object 
When an object created on the user map is clicked on, the object is selected and the property screen of 
the object is displayed. 
   
(Start angle) 
(End angle) 
* The section other than the 
sides of the sector is not 
targeted for selection.