to enter the programming mode, press the setup/exit key.

    1 press the increment (+) or decrement (-) key to scroll to the setting you wish to change.

    2 press the select key to toggle the functionality of the increment (+) and decrement (-)keys.

    3 press the increment (+) or decrement (-)keys to increase or decrease the value; answer“yes”or“no”；print a label; or select the digit you wish to change.

    4 press the select key again to use the increment (+) and decrement (-) keys to scroll to the desired menu item.

    an asterisk (+) in the upper left-hand corner of the display indicates that the value displayed is different than the currently stored value.