Akai MPK261 manual Switches

Control	Parameter		Settings
Assignable	Type		CC
Switches	MIDI Channel		Common, USB A1–A16, USB B1–B16
	CC Number		000–127
	MIDI to DIN		On, Off
	Mode		Momentary, Toggle
	Invert		On, Off
	Type		Note
	MIDI Channel		Common, USB A1–A16, USB B1–B16
	Note		C-1 to G9
	Velocity (Velo)		000–127
	MIDI to DIN		On, Off
	Mode		Momentary, Toggle
	Type		Program Change (PrgChange)
	MIDI Channel		Common, USB A1–A16, USB B1–B16
	Program Number		000–127
	MIDI to DIN		On, Off
	Type		Program Bank (PrgBank)
	MIDI Channel		Common, USB A1–A16, USB B1–B16
	Program (Pgm)		000–127
	MSB		000–127
	LSB		000–127
	MIDI to DIN		On, Off
	Type		Keystroke
	Key 1		0–9, A–Z, F1–F12, Backspace, Return, Up Arrow, Down Arrow, Left
			Arrow, Right Arrow, Tab, various symbols ( , . / [ ] \ ' ; ) Esc, Insert,
			Home, Page Up, Delete, End, Page Down, Num 0–9
	Key 2		None, Control, Shift, Alt, Option, Control-Shift, Control-Alt, Control-
			Option, Shift-Alt, Shift-Option, Alt-Option, Control-Option-Alt, Control-
			Shift-Alt, Control-Shift-Option
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