What does the switch word displayed on Hisense air conditioner remote control stand for?

The air conditioner is defrosting. According to the brief introduction of Hisense Kelon (Guangdong) Air Conditioning Co., Ltd., it can be known that this company is the earliest enterprise dedicated to the research, development, production and promotion of inverter air conditioners in China, and Hisense Air Conditioning belongs to this company. The switch word displayed on the remote control of Hisense air conditioner indicates that the air conditioner is defrosting.