Feature:
Applications
| Status of Instrument | Function |
| UNDO action is allowed | If the UNDO key is pressed after changing parameter settings, changing or deleting data, etc., the previous action (change, deletion, etc.) is canceled and the state preceding that action is restored. |
| During user key registration | If the UNDO key is pressed during user key registration, registration mode is canceled and the soft key menu which appeared when the SYSTEM key was pressed is displayed again. |
| During remote control by external PC (Remote light is on) | Changes the state from the remote state back to the local state. The remote light turns off. |



