You can prevent children or others from using it carelessly.
Press g and FAN SPEED button simultaneously for about 3 seconds.
CL will be displayed for 3 seconds before returning to the previous mode in the initial setting of the child lock.
If other buttons are pressed after CL is set, the function cannot be recognized, and CL is displayed for about 3 seconds.
If you want to cancel the child lock function, press the a and G button simultaneously for about 3 seconds again.