How to use a remote control for a split type air conditioner

The split type air conditioner remote control can be used at a maximum distance of 7 to 10 meters depending on the model.
The BEEP signal from the indoor unit can be heard in the following cases, indicating signal reception: when switching on, switching off, switching operation and confirming the switch-on and switch-off time of the timer and at the same time, the LED symbol flashes.