Adjust the fan speed on the air purifier.
Press the Speed button during the operation.
Each time you press the button, the speed changes in the following order:
Auto ~ Low ~ Middle ~ High ~ Turbo.
When you adjust the speed, the speed will be displayed on the status display panel. The Speed increases by 2 columns each time when the level is raised.
[Example of ‘Middle’ Display for Speed]

When the operation is started for the first time, Auto is set as the Speed. In Auto mode, the Speed is adjusted automatically according to the contamination level of indoor air.