Furuno FEA-2107-BB Operator's Manual page 45

4. Control Units
Deleting a character
A character can be deleted from text/numeric input field as follows:
1. Place the cursor to the right of the digit you want to delete then push the right mouse button.
2. Delete is chosen – push the scrollwheel to delete the alphanumeric chosen. The character is deleted and the
window is closed.
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