8-57  Section 8    Functions of the ECDIS (Option) 
 
 
 
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8.13.2  Turning On/Off range ring display 
1  Click on the [Menu] button on the left toolbar. 
The menu is displayed. 
2  Select [View] - [Options] - [Tools] on the menu. 
 
 
3  To show range rings, select [Range Rings]. 
To hide range rings, clear it.