1. Power switch ON/OFF
2. Output ON/OFF button
3. Quick settings recall buttons
4. OVP ON/OFF button
5. Overcurrent protection ON/OFF button / audio signal ON/OFF button
6. Lock/ UNLOCK button - front panel lock
7. Voltage and amperage quick adjustment knob
8. Voltage and amperage coarse / fine adjustment buttons
9. Voltage / amperage selection button
10. Ground terminal
11. Output (+ and - pole)
12. Power indicator
13. Voltage / amperage values display
14. OVP indicator
15. OCP indicator