9. LCD panel , with various languages available for choices to display error message , processing reference , production quantity, speedand so on. It allows the operator to easily monitor and control the machine conditions.10. Stitch quality , speed , course length , size , quantity, pattern , chain program , etc., can be controlled and set up by machine computer panel .11. Large memory capacity for storage of more pattern programs and sock sizes .12. Auto testing , error sensors and self-protec