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1.4.1 PRESET LOCK
The preset point lock can be turned on or off , default is off. When the preset point lock is set to open, the preset point cannot be
set by keyboard. When the preset point is open, the preset point is set by keyboard, and the screen will prompt "the preset point lock
on".
1.4.2 ENABLE PASSWORD
Enable password can be turned on or off , default is off.