LG 42LS75C Owner's Manual page 120

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Lock Mode
USB
• You can prevent the use of USB devices.
OSD
• You can prevent OSD from displaying.
Reset to Initial Settings
• You can restore the initial settings with this feature.
IR Operation
• If you set IR Operation to Normal, you can use the remote control.
• If you set IR Operation to Power Key Only, you can only use the Power Key.
• If you set IR Operation to Block All, you cannot use the remote control. (Power On feature is available.)
Local Key Operation
• If you set Local Key Operation to Normal, you can use the Local Key.
• If 'Local Key Operation' is set to Power Key Only, only the Power Key can be used. (The joystick will function as the
Power Key if you press and hold the Local Key.)
• If you set Local Key Operation to Block All, you cannot use the Local Key. (Power On feature is available.)