1, read the "Micro Cooling Fan" manual, which is the safe use of electrical appliances must be done before any product is one thing.
2. Choose a safe outlet for fan power.
3. Select the "Micro Cooling Fan" function after gently press or rotary switch, to avoid pressing the two selection keys.
4, it is recommended to start with the most high-speed fan, after the selection of the appropriate gear wind speed.
5, the timing for the "Micro Cooling Fan" for dust removal, refueling and maintenance.