ņ49 
Making an AIS filter (Make AIS Filter) 
 
 
  Procedure    1  Press [2] key while the AIS Filter Setting 
menu is open. 
 
The Make AIS Filter screen will appear. 
 
 
[I]  Setting a RANGE filter 
 
2  Turn the [VRM] key control to set a filter 
range, and press [ENT] key. 
 
The range of a RANGE filter will be set. 
AIS targets in the set circle are displayed by 
priority. 
 
 
[II]  Setting a SECTOR filter 
 
2  Turn the [EBL] key control to set the 
bearing of the port side, and press [ENT] key. 
 
3  Turn the [EBL] key control to set the bearing of the starboard, and press 
[ENT] key. 
 
A SECTOR filter will be set. 
AIS targets in the area formed by the two set bearings are displayed by priority. 
 
 
[III] Setting a ZONE filter 
 
2  Turn the [EBL] key and [VRM] key controls to set the bearing and range 
of the port side, and press [ENT] key. 
 
3  Turn the [EBL] key and [VRM] key controls to set the bearing and range 
of the starboard, and press [ENT] key. 
 
A ZONE filter will be set. 
AIS targets in the area formed by the two set bearings and ranges are displayed by priority.