Lock the Control Panel Buttons
You can lock the buttons on the Control Panel to prevent the product from operating due to unforeseen reasons, such as a child manipulating the buttons.
Press the Sleep Timer button for at least 3 seconds during the operation.
k (Lock) is displayed on the status panel.
Note
You can turn off the lock function in the same way as turning it on.
The control panel can be locked even when the product is off.
If you pull out the power plug in lock set status, the lock function is cleared.