YS-P02 operator button description:
| Button | Name | Detailed description |
| PRG | Program/Exit key | Switching between programming state and status monitoring state, entering and exiting programming state |
| OD | Door open key | Open the door and run the command |
| CD | Door close key | Close the door and run the command |
| STOP | Stop/reset button | When running, the shutdown operation is realized: when a fault occurs, the manual reset operation is realized |
| M | Multi-function key | Reserve |
| ↵ | Set confirmation key | Confirmation after setting parameters |
| ►► | Shift key | Running and stopping states are used to switch and display different parameters; after setting parameters, they are used to shift |
| ▲▼ | Increment/decrement keys | Implement increment and decrement of data and parameter numbers |