https://www.twotrees3dofficial.com/products/high-speed-printing-kit-for-sp-5

https://marlinfw.org/docs/gcode/M503.html

M503 command of the Nano V3.1 installled software:

Send: M503
Recv: echo:; Linear Units:
Recv: echo:  G21 ; (mm)
Recv: echo:; Temperature Units:
Recv: echo:  M149 C ; Units in Celsius
Recv: echo:; Filament settings (Disabled):
Recv: echo:  M200 S0 D1.75
Recv: echo:; Steps per unit:
Recv: echo:  M92 X80.00 Y80.00 Z400.00 E562.00
Recv: echo:; Max feedrates (units/s):
Recv: echo:  M203 X300.00 Y300.00 Z10.00 E100.00
Recv: echo:; Max Acceleration (units/s2):
Recv: echo:  M201 X6000.00 Y6000.00 Z200.00 E20000.00
Recv: echo:; Acceleration (units/s2) (P<print-accel> R<retract-accel> T<travel-accel>):
Recv: echo:  M204 P6000.00 R6000.00 T6000.00
Recv: echo:; Advanced (B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate> J<junc_dev>):
Recv: echo:  M205 B20000.00 S0.00 T0.00 J0.01
Recv: echo:; Home offset:
Recv: echo:  M206 X0.00 Y0.00 Z0.00
Recv: echo:; Mesh Bed Leveling:
Recv: echo:  M420 S0 Z5.00 ; Leveling OFF
Recv: echo:; Hotend PID:
Recv: echo:  M301 P20.36 I1.72 D60.26
Recv: echo:; Stepper driver current:
Recv: echo:  M906 X1100 Y1100 Z800
Recv: echo:  M906 T0 E800
Recv: 
Recv: echo:; Driver stepping mode:
Recv: echo:  M569 S1 X Y Z
Recv: echo:  M569 S1 T0 E
Recv: echo:; Input Shaping:
Recv: echo:  M593 X F55.00 D0.15
Recv: echo:  M593 Y F55.00 D0.15
Recv: echo:; Linear Advance:
Recv: echo:  M900 K0.12
Recv: ok