How does national air conditioner cool and what do the charts on the remote control mean?

Snowflake pattern is the cooling mode, sun pattern is the heating mode, water drop pattern is the dehumidification mode, fan blade pattern is the ventilation mode, cycle-like pattern is the automatic mode, the air conditioner will automatically cool or heat according to the indoor temperature.

Fan fan: one fan blade pattern is low speed, two is medium speed, three is high speed, all show auto fan.

According to the cooling or heating requirements, set the display of the corresponding pattern, and then set the temperature high and low, press the on/off key to work.