How to lock certain channels and external input
You can lock certain channels and external input and cancel the lock temporarily by entering PIN code.
※ You can lock and cancel the lock of certain applications by pressing the pin number at smart TVs manufactured after 2013.
How to fix
① Menu → Lock → Lock system : ON
※ Initial pin number: 0000
② Block channel : Block some from channels received by the antenna.
③ Input block : Block external input, component, HDMI terminals
Remote control [Home] or [Smart] → [Setting] → [Lock] → [Lock system]
① Set system lock by selectin ON from “lock system”.
② Enter preset PIN number.
※initial PIN number: 0000
③ Block channel: Click on lock/cancel at the bottom right corner after selecting certain channel or all channels.
④ Input block: Select ON for the input mode you want to lock.
⑤ Application lock: Lock certain or all applications.
※ Application lock is available for smart TV manufactured after 2013.