Slowly turn the dial clockwise until you hear a click. If the gas fails to ignite try again. Turning the dial to fast will fail to ignite the gas. If you fail a few times, stop and wait a few minutes for the gas to clear or an explosion can occur.
Push the dial to turn the heater on. If water fails to come out, ensure the blue tap is open. Use the dial to control the temperature of the water and the lever to control the pressure. The higher the temperature, the lower the pressure.
Push the power level button (third button from the bottom on the left) then set the time by pushing the time buttons. The time can be incremented in 10min, 1min and 1sec intervals. Push the large orange start button. To stop/cancel, push the small button to the right of the start button. The microwave will continue to make a loud noise for some time after it has finished.
Simply turn the dial to turn on.