3─60 
3 
3.5  BASIC OPERATIONS
y
y y
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Attention  Guard zones 1 and 2 can be set in the range of 0.5 to 32 nm. 
  The width of distance of the guard zone is fixed to 0.5 nm. 
 
 
 
Operation of Guard zone 
 
•  If a target is found within the fan-shaped area of the guard zone, an alarm is generated and the▽mark 
is displayed on the target.    After approximately 1 minute, the tracking status is activated. 
•  If a guard zone is made, and the guard zone adopts the same point for the start point and end point, the 
guard zone will be a circle. 
•  Guard zone is displayed only when radar transmission takes place. 
Note that guard zone will not appear during preparation. 
 
HL
Start point: Determined by the first [ENT]
End point: Determined by the second [ENT] 
Guard zone