Furuno FCR-2107 Operator's Manual page 266

8. Manual Updates
Example of how to set new position for a point
The method is also applicable to insert or append new points for existing chart features.
1) Activate Position Edit.
2) Insert point with
left mouse button.
Example of how to define a new center point for an existing chart feature
1) Activate Position Edit.
2) Select
"Set Center".
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3) If necessary change latitude and longitude
position. Put cursor on digit, push scrollwheel
and then roll scrollwheel to set position
3) Put cursor on new required center
point and push left mouse button.