machines/systems/flexibot/docs/marlin/_gcode/M220.md

tag, title, brief, author, group, codes, parameters, examples

tag	title	brief	author	group	codes	parameters	examples
m0220	Set Feedrate Percentage	Set the global feedrate percentage.	thinkyhead	motion	M220	tag optional description values S true Feedrate percentage tag type percent int tag optional description values B true Back up current factor tag type flag bool tag optional description values R true Restore the last-saved factor tag type flag bool	pre code Set feedrate to 80% M220 S80 pre code Report feedrate M220 pre code Back up current feedrate M220 B

Set speed percentage factor, aka "Feed Rate" which applies to all G-code-based moves in all (X, Y, Z, and E) axes. Report the current speed percentage factor if no parameter is specified.