3-29  Section 3 Common Basic Operations 
 
 
 
APP A 
APP B 
 
3.15.3  TT 
[TT target] 
When TT target is clicked on, a numeric value is displayed. 
 
[Numeric displayed TT target] 
When a numeric displayed TT target is clicked on, the numeric value display of TT is cancelled. 
 
3.15.4  (AZ) Acquisition/Activation Zone 
 
[Start Angle] 
When Start Angle is clicked on, the cursor is set to the Start Angle/End Angle change mode. 
 
[End Angle] 
When End Angle is clicked on, the cursor is set to the End Angle change mode. 
 
[Start Distance] 
When Start Distance is clicked on, the cursor is set to the Start Distance/End Distance change mode. 
 
[End Distance] 
When End Distance is clicked on, the cursor is set to the End Distance change mode. 
 
When Acquisition/Activation Zone is not displayed on the radar screen, AIS automatic activation is 
disabled. If automatic AIS sleeping targets activation is necessary, please set up the 
acquisition/activation zone. 
For the setting of an acquisition and an activation zone, refer to “6.5.2 Setting up the automatic 
acquisition/activation zone (AZ)”. 
 
   
End Distance