A label is inserted one down from the rung you select. to insert, select a rung when online monitor is on, and click [Insert Label (L)] on the [Logic (L)] menu.
To delete, select the label to be deleted, then on the [Edit (E)] menu, click [Delete (D)].
Upon deleting a label, the [Transfer Logic] dialog box is displayed and the modified logic program will be transferred to the display unit. You do not need to go to the [Logic (L)] menu and click [OK (O)].