Check out the operation features on Samsung Air Purifier

• Press the Power button. The air purifier turns on with a notification sound and automatically begins operation.
• The sensor preparation begins upon start-up with a display indication and continues for 12 seconds.
• Colored air quality indicator: PM10, PM2.5 and PM1.0 levels, and gas pollution display: PM10, PM2.5 and PM1.0

Controlling the fan speed.

• Press the Fan speed  button to change between the options. 
• Each time you press the button, the fan speed changes in order of Low -> Auto -> High -> Medium -> Low.
• In Auto mode, the fan speed is automatically adjusted to the particle and odour levels around it to keep the room clean.

Sleep mode

Sleep mode provides a clean, quiet and comfortable room for a good night's sleep.

• Use Sleep mode to only allow the mode indicator and turn off all other display indicators.
• Changing the fan speed when Sleep mode has been active for 10 seconds or more will cancel the mode and the sensor loading display will appear.
• Lock feature becomes unavailable while Sleep mode is on.

Cancel

• Press the Sleep mode  button or Fan speed  button.

Timed on/off function.

The product automatically turns off after a specified duration.

• You can select between 1 hour to 12 hours by pressing the Timed on/off  button when the product is powered on. Time can be adjusted by hour.
• Timed off is scheduled 3 seconds after selecting the desired operating hours.

Cancel

• Press and hold the Timed on/off  button for at least 3 seconds or press the Timed on/off  button to set the timer to 0.

Display lighting.

The air quality is displayed in pleasantly dimmed colour lighting.

• It reflects the PM10, PM2.5, PM1.0 or gas pollution level, whichever is the worst.
• Colours do not apply when using the product in Sleep mode.

Cancel

• Press the Lighting  button.

Turning the Wi-Fi feature On/Off.

You can turn the Wi-Fi feature on or off.

• Press and hold the Sleep mode  button for 3 seconds or more to turn the Wi-Fi on or off.
• To use this feature, you must first register the product on the SmartThings app. Once connected, the Wi-Fi icon will automatically light up. The Wi-Fi icon lights up when the product is connected to the SmartThings app.

Clearing the filter replacement reminder.

This feature notifies you when it is time to replace the 2-in-1 filter (Deodorisation Filter and Dust Collecting Filter).

• If you hear a beep and the filter replacement indicator  lights up while the product is in use, replace the filter and press the Lighting  button for 3 seconds or more to reset. The replacement reminder turns off after the Filter Change icon blinks twice with the notification sound.
• If the filter has been replaced before activation for other reasons, reset the status by pressing the Lighting  button for longer than 3 seconds.
• After resetting the filter, press the Lighting button to reset this feature as well.