Major Science MP-300 Instruction Manual page 12

7. Press Key, and then press
timer (minute) upon your request if setting time is required. It will auto stop
when the timer is up.
8. Press Key to start the run. The LED is lit.
9. Press Key to temporarily interrupt the run if necessary. The LED is
lit.
10. Press
11. When the run is completed, Press
and Turn the AC power OFF by the switch on the rare.
Key again to stop the unit at any time if necessary.
Key or
Key to terminate a timed run,
12
Key to adjust