You can set the brightness of the indoor unit display screen.
Type A
Press and hold the H button for about 3 seconds to set the light off function.
Type B
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.
Press the L or M button to set the light off function.
Each time button pressed, the function changes in this order: ON & OFF
Then press the Function button.
The button turns the display screen on or off.
If the brightness of an indoor unit's display is set to off, pressing a button on the wireless remote control automatically turns the display on for a while.
This function may operate differently depending on the model.