... and punching frequency.Manual mode: Press the "Option" button, set the "manual" led light up, use "Feed" and "Punch" button to work ... . Automatic mode: Press the "Option" button, set the "Auto" led light up, use buttons below to set punching frequency(range 0.5-10 ... , then go next more after finish.3)In automatic mode:set the punching frenqucy firstly, then press the "Punch" button, the ...