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3.2. Home interface
Fine-tune the distance from the nozzle to the hot bed
Display the temperature of nozzle
Display the temperature of hot bed
Select the filament to preheat nozzle and hot bed
Stop heating and cool the nozzle or hot bed
Feeding/returning length control
Feeding/returning control
Leveling the hot bed manually
Leveling the hot bed by 3D touch or BL touch
About the firmware version of printer motherboard and touch screen,
machine model, used time, etc.