When this switch is pressed, the indicator in the switch is lit and the edit mode is selected.In the edit mode, the following operations are possible:Inputting and storing programs to NC memoryChanging or deleting a programOutputting a program stored in the NC memoryAs above three operations, editing a program in the edit mode is called foreground editing. Usually, the term争rogram editing" means the foreground program editing.Using the search function (program number search sequence number search, etc.)The above operations are impossible with the PANEL key-switch placed in the I PANEL or 0 PANEL position.