3 Teaching3.4 Modifying Steps3-31155223-1CDRE-CSO-A0363.4.5 Undo OperationAfter inserting, deleting, or modifying an instruction, the operation can be undone.The UNDO operation becomes enabled by selecting {EDIT}{ENABLE UNDO}, and becomesdisabled by selecting {EDIT}{∗ENABLE UNDO} while editing a job.3.4.6 Modifying Reference Point Instructions Deleting Reference Point InstructionsThe undo operation can be performed even after the manipulator is moved by the FWD orBWD operation or test operation after inserting, deleting, or modifying a move instruction.However, the undo operation cannot be performed if other instructions are edited or a job isexecuted in the play mode after editing the move instruction.The undo operation works only for the last five edited instructions only.Operation Explanation1 Press [ASSIST]. The assist menu appears.2 Select {UNDO}. The last operation is undone.3 Select {REDO}. The last UNDO operation is undone.If the manipulator position differs from the cursor position, an error message is displayed.If this occurs, follow either of the procedures below.• Press [REFP] + [FWD] to move the manipulator to the position to be deleted.• Press [MODIFY] then [ENTER] to change the reference point position data to the currentposition of the manipulator.Operation Explanation1 Move the cursor to thereference point instruction tobe deleted.2 Press [DELETE]. The key lamp will blink.3 Press [ENTER]. The reference point instruction at the cursor line is deleted.NOTEUNDOREDONOTE94 of 435
