You can turn on or off the buzzer sound to notify you when you set or change the function of the air conditioner.
Turn the appliance on.
Press the Function button.
Press the L or M button until the below icon flashes at the bottom of the display screen. Then press the Function button.
Set the function each time, the function changes on and off.
When the Mute is set, OF appears for a moment on the indoor unit display and the buzzer sound turned off.
This function may operate differently depending on the model.