To set the guide louvre to a desired position, press Swing Up and Down button continuously for more than 2 seconds and hold until desired position is achieved. Releasing the button now stops the swinging at the desired position.
After Swing Up and Down mode is switched on, pressing the button again within 2 seconds circulates between the various settings. If button is pressed more than 2 seconds later, the function is switched off.
About switch between Fahrenheit and Centigrade
。 。
Under status of unit off, press MODE and - buttons simultaneously to switch C and F .
To turn defrost function On or Off press Mode button and 
is selected, 
pressing 
If Defrost function has been selected, it will continue even if the unit is switched off by the remote control. If settings are changed, they will only be carried out after defrosting is finished.
switched off.
Remove the battery cover plate from the rear of the remote control. (As shown in the figure).
Replace the battery cover plate.
remove batteries to prevent damage from leaking batteries.
does 
the batteries out and replace them after 30 seconds. If still not operating properly, replace the batteries.