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5.3.9  Setting Conditions for AIS Alarm (AIS Alarm Setting)   
 
Conditions for issuing a Lost alarm and CPA/TCPA alarm for AIS targets can be set. 
 
 
Setting of Condition for Lost Alarm 
 
 
 Procedures   1  Press the [RADAR MENU] key twice. 
 
2  Open the AIS Alarm Setting menu by performing the following menu 
operation. 
 
  7. AIS Menu  
 →  6. AIS Alarm Setting   
 
3  Press the [1] key. 
 
The setting items for Lost Alarm will be displayed. 
 
4  Press the [numeric] key corresponding to the condition to be set. 
 
  Off    : A lost alarm is not issued. 
  Danger    : A lost alarm is issued only for AIS targets for 
which a dangerous target alarm has been issued. 
  ACT&Danger    : A lost alarm is issued only for activated AIS 
targets and AIS targets for which a dangerous 
target alarm has been issued. 
  ACT&Danger&Select    : A lost alarm is issued only for activated AIS 
targets, data indicated AIS targets and AIS targets 
for which a dangerous target alarm has been issued. 
 
Note:
   A lost alarm is not issued for sleeping AIS targets. 
 
 
 
Setting of Condition for CPA/TCPA Alarm 
 
 
 Procedures   1  Press the [RADAR MENU] key twice. 
 
2  Open the AIS Alarm Setting menu by performing the following menu 
operation. 
 
  7. AIS Menu  
 →  6. AIS Alarm Setting   
 
3  Press the [2] key. 
 
The setting items for CPA/TCPA Alarm is switched. 
  Off    : A CPA/TCPA alarm is not issued. 
  ACT    : A CPA/TCPA alarm is issued only for activated AIS targets. 
  ACT&Sleep    : A CPA/TCPA alarm is issued for all AIS targets on the radar 
display. 
 
Note:
   When the Lost Alarm menu set to Off, the CPA ring color changes to dark color.