Child lock start: In the standby state, press and hold "︽" and "︾" of the "Weight Adjustment" key at the same time to enter the child lock state.

Child lock release: In the child lock state, press and hold the "︽" and "︾" of the "Weight Adjustment" key at the same time, the key sign on the lower right corner of the screen will go out and the child lock function will be cancelled. When the power is cut off, the child lock function can also be cancelled.

Applicable product models: MD-2480EGC, MI-2270EGC, MD-2270EGC, MD-2480EGC.