How to use the "dust removal" and "mildew prevention" buttons in Aux air conditioner sa 1- 1 remote controller (with smiley button)?

Use the "dust removal" and "mildew prevention" buttons in the auxiliary air conditioner sa 1- 1 remote control (with smiley button):

"Dust removal": When there is a lot of dust outside, you need to press this button on the remote control, which means that you are using this function now to prevent outdoor dust from entering the room.

"Anti-mildew": When the air conditioner is not used for a long time, there will be a lot of mold when it is suddenly turned on, so when you turn on the air conditioner, you must turn on the anti-mildew function to filter out the mold.

Description of remote control button:

1.9 air conditioning function keys: power key, air volume key, mode key, temperature+key, temperature-key, automatic wind direction key, manual wind direction key, quick cold key and quick hot key.

2. 1 setting key: used to set the code or time to switch the machine time or clock.

3. 1 clock key: used to set or adjust the clock.

4. Two timing on/off keys: a timing on key and a timing off key, which are used to adjust or cancel the time of the time switch machine.

5. 1 child lock key: used to lock the code to prevent misoperation, so as not to lose the code change.