5.5    ALARM DISPLAY 
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Alarm for New Target Acquired in Automatic Acquisition Zone (New Target) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The automatic acquisition function sets a zone in a range and issues an alarm when a new target (which is not 
yet acquired) goes into this zone. 
For  the  setting  of  an  automatic  acquisition  zone,  refer  to  “Automatic  Acquisition [AUTO]”  in Section 5.2.1 
“Acquiring Target [ACQ].” 
 
 
Alarm for New Target Acquired in Automatic Acquisition Zone 
 
Status  Symbol on display  Alarm characters  Alarm sound  Conditions 
New target in 
automatic 
acquisition zone
 
 
 
 
Red Blinking 
New Target 
Beep sound (pipi-pipi) 
Alarm 
acknowledgeable
 
The alarm is issued when a 
new target is acquired in the 
automatic acquisition zone.
 
 
Note:  When an already acquired target goes into automatic acquisition zone, the alarm message is 
not displayed and the buzzer does not sound either. 
 
 
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In setting an automatic acquisition zone, it is 
necessary to adjust the gain, sea clutter 
suppression and rain / snow clutter 
suppression to ensure that target echoes are 
displayed in the optimum conditions. No 
automatic acquisition zone alarms will be 
issued for targets undetected by the radar, and 
this may cause accidents such as collisions. 
Caution