Scratch #6 (Shift+6): Enable scratch sample recording for sample position one.
Scratch #7 (Shift+7): Enable scratch sample recording for sample position two.
Scratch #8 (Shift+8): Enable scratch sample recording for sample position three.
Scratch #9 (Shift+9): Enable scratch sample recording for sample position four.
Scratch #0 (Shift+0): Enable scratch sample recording for sample position five.