5.1    PREPARATION 
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5.1.6    Setting CPA Ring (CPA Ring) 
 
 
  Procedure    1  Press [TT MENU] key. 
 
2  Press [3]. 
 
The TT Setting menu will appear. 
 
3  Press [7]. 
 
The setting of CPA Ring will change between 
ON and OFF. 
 
ON:  Displays the CPA ring. 
OFF:  Hides the CPA ring. 
 
While the CPA ring is displayed,    CPA RING   
is shown at the lower right of the radar display. 
 
While the distance of the specified CPA Limit 
value is used as the radius, the CPA ring is 
displayed with a white circle of which center is the own ship’s position. 
 
 
Note:  The CPA ring is not displayed when the true (T) vector mode is selected. 
 
*  The CPA ring switch to Display or Hide within software button  շ  located at the bottom right corner of the 
radar display described in Section 2.3.4.