4. Operation 
4-8 
  Noise Rejection   
◎The generation of this noise is decreased when a weak noise to the entire screen occurs and the screen is hard 
to see. 
 
 
 Interference Rejection    
◎  The interference noise by another ship displayed on the screen is reduced. 
 
 
 
 
 
 
 
 
 
 
 
 
・  Touch 
  and the settings will be displayed. 
Set content: 0/1/2/3/4/5/6/7/8/9/10 
・  Touch    to increase the value and   to decrease it. 
・  The ability to decrease the noise as the numerical value 
increases strengthens though “0" doesn't have the ability to 
decrease. 
・  After setting, touch 
. 
 
・  Touch 
  and the settings will be displayed. 
Set content: OFF/IR1/IR2/IR3/AUTO 
・  Change the settings with  ,  . 
・  The ability to do the interference prevention processing strengthens 
while switching to “IR1 → IR2 → IR3→AUTO” though the interference 
prevention processing is not done in “OFF". 
・  After setting, touch 
.