20X Bar-tacking and Button Sewing Machine(LCD N)
Service Parameter Setting
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3.6.2 Set U/K Parameter Lock
This function allows user to lock or unlock parameters that need protecting. Every U parameter and K
parameter can be set to be locked or unlocked. The setting method is the same for U parameter and K parameter,
and here take U parameter lock for example.
Under the system menu, press
key to
select “15 U parameter lock” and press
key to
enter password input interface. Input the right password
and press
key to enter U parameter lock setting
interface. The password has to be correct, otherwise
user cannot enter this interface.
Under this interface, press
key to
select the U parameter that need change its
locked/unlocked status, and press
to
change the locked/unlocked status. The symbol
means locked and
means unlocked. When
parameter is locked, user need input password to change
its set value. When user quit the parameter setting
interface and enter it again, the locked parameters will
remain locked.
After completing the parameter lock setting, press
key or
key to save and quit.
