The blue frame part in the above figure is custom button zone.
2.1 Custom button functions
Function：Spindle air cooling on/off
Corresponding M code: M18 / M9
Function：Spindle external cooling on/off
Corresponding M code: M8 / M9
Function：Oil mist separator on/off
Corresponding M code: M52 / M53
Function：Chip conveyor on/off
Corresponding M code: M50 / M51
Function：Reverse inching of chip convey or
Corresponding M code: no
Function：Ready for manual tool unloading in the spindle
Corresponding M code: no
Function：Unload tool in the spindle manually
Corresponding M code: no
Function：Hydraulic giant on/off shall be operated in the state of door opening; by default, the door closes automatically in 60 seconds.
Corresponding M code: no
Function： Confirm loading & unloading tool (in tool magazine/spindle)
Corresponding M code: no
Function：Magazine manual operation mode
Corresponding M code: no
Function：Mechanism arm rotates to origin
Corresponding M code: no
Function：Unlock machine tool
Function：Mechanism arm forward
Corresponding M code: no
Function：Mechanism arm reverse
Corresponding M code: no
Function：Machine tool processing zone lighting
Corresponding M code: no
Function: Tool magazine selection mode
Corresponding M code: no