You can prevent children or others from carelessly using the appliance by disabling the buttons.
Press the p button repeatedly until the ┴ icon is flashing on the screen.
i: Lock
j: Unlock
Press the k or l button to select lock setting.
Press OK/CLEAR button to complete the setting.
If no buttons are pressed for about 25 seconds,it automatically gets out of setup mode.
When exiting without pressing OK/CLEAR button, the manipulated value is not reflected.
To escape from the setting mode during setup, press the ESC button.