... keypad on the top of the handle, the red button is for feeding, the green is for punching ... mode and punching frequency.Manual mode: Press the "Option" button, set the "manual" led light up, use " ... to punch grommets.In manual mode: press the red button, it may take 3 seconds for feeding, ... punching frenqucy firstly, then press the "Punch" button, the machine will keep feeding and punching automaticly. ...