120SecurityMENU m → System → Security → ENTER ESecuritySafety Lock OnButton LockUSB Auto Play LockMobile Connection LockRemote ManagementNetwork PortOnOffOffOffAllowOnPower On Button– The displayed image may differ depending on the model.Safety Lock On― Enter your 4 digit PIN number. The default PIN number is "0-0-0-0".If you want to change the PIN number, use the Change PIN function.Turn Safety Lock On on or off. Safety Lock On restricts the actions that can be carried out by the remote control. Thecorrect PIN must be entered to turn Safety Lock On off.Power On ButtonTurn on this feature to enable the remote control's Power button to turn on the device while Safety Lock On isenabled.• Off / OnButton LockThis menu can be used to lock the buttons on the product.Only the remote control can control the product if Button Lock is set to On.• Off / OnUSB Auto Play LockSelect whether to automatically play MagicInfo content saved on a connected USB device.• OffPlay MagicInfo content saved on the USB device automatically.• OnDo not play MagicInfo content saved on the USB device automatically.― Connecting a USB device containing MagicInfo content displays "USB Auto Play Lock : On" for five seconds.