Stop program run/spindle stop/coolant off, Spindle on clockwise, Spindle on counterclockwise – HEIDENHAIN TNC 407 (280 580) ISO Programming User Manual
Page 333: Spindle stop, Coolant on, Coolant off, Spindle on clockwise/coolant on, Spindle on counterclockwise/coolant on, Same function as m02, Vacant miscellaneous function or
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