2. Select the drop-down button of revision option, and then select the highlight revision option.
3. The highlighted revision dialog box will pop up, select Track revision records when editing, and select other options as needed, and then click OK.
4. Enter new text or modify other existing information in the editing area, and a logo will appear in the upper left corner of the corresponding cell.
5. Place the mouse at the marked position to display the record of unit operation.