Invisible Keypad Function is Standard for Keypadless AR-331-ES
Special firmware is not required. You can easily activate invisible keypad function by swiping Master Card.
From now on, Invisible Keypad becomes a standard built-in function for keypadless AR-331-ES, and an external keypad sheet will be enclosed with controller. Special firmware is not required. You can easily activate invisible keypad function by swiping Master Card, and program the controller by command code with the aid of external keypad sheet.
