To get the very best out of your new heater it is advisable to read these instructions before using it.This will ensure that you gain optimum results and use the appliance safely. Using for the first time The appliance can be used as a portable unit only, resting on any horizontal surface. Operation -Summer use (cool air only): turn the knob clockwise to the position . -Heating at low power: turn the knob to the 1 position.The indicator light switches on. -Heating at maximum power: turn the knob