Press the Red heat button to turn activate the heat up system.
Select desired temperature, turning the dial on the classic or tap the minus / plus button on the digital.
The Yellow light will turn on letting you know the Volcano is heating up. This takes 3 to 5 minutes.
While it is heating, prepare your dry herbs and put them into the Solid Valve Filling Chamber. Remember the amount of vapour release is related to the material quality, quantity, preparation and temperature.
When the Yellow light turns off the heat has been reached.