Yaskawa Ladder Works Operation Manual - Manual (Page 51)

2.6 EDIT CHARACTER STRING
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Edit Character String of User Function Name
FUNC that is the user function instruction has the user function name as data.
1.
Select the user function name and select Edit (E) - Edit User Function (E) of the menu or
from the pop-up menu, or double-click the user function name in the instruction.
<Key Operation>: F2
2.
The selected user function name is changed into the edit mode, and it is possible to be
edited.