8-33  Section 8    Functions of the ECDIS (Option) 
 
 
 
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8.9.4  Changing a high resolution chart (ARCS only) 
1  Right-click on the chart 
The context menu is displayed. 
2  On the Context menu, click on the [High Resolution Area]. 
The cursor changes to the zoom cursor and an orange frame appears on the chart. 
3  Move the cursor to the area to be expanded (the frame moves together with the cursor) 
and click the mouse button. 
The high-resolution chart in the area within the frame is displayed on the screen.   
 
   
Orange frame 
 
High resolution chart