5.6  TRACK DISPLAY 
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[V] Other ship track recording interval setting (Track Memory Interval) 
 
A time interval for recording tracks of other ships can be set. 
 
*  This function can be used only when the Target Track Setting function is enabled. 
 
 
 Procedure    1  Press the [TT menu] key. 
 
2  Press the following buttons. 
 
4  Target Track Setting 
4    Track Memory Interval 
 
Choices for "Target Memory Interval" are 
displayed. 
 
3  Press a number key that corresponds 
to the desired track recording interval. 
 
Select from the following: 
 
Off, 
3 sec, 5 sec, 10 sec, 30 sec, 
1 min, 3 min, 5 min, 10 min, 30 min, 60 min, 
1 NM, 3 NM, 5 NM, and 10 NM