Press Edit to use the Editor.
Navigate to the first program line that you want to select (1). Press F2 to select the first line of code, then use the hand wheel to scroll to the last line you want to select.
Press F2 again or ENTER to complete the selection.
Now the section is highlighted. To delete the selection, press DELETE. To copy the selection, scroll to program line where you want to insert the code and press ENTER or INSERT.