Samsung UA40D5500RMXSQ, UA46D5500RMXSQ manual → 4 → Power on

●●	Program Rating Lock: Prevent unauthorized users, such as children, from
	watching unsuitable programme with a user-defined 4-digit PIN code. If the
	selected channel is locked, the “\” symbol will be displayed.
	––Allow All: Unlock all TV ratings.
	NN The items of Program Rating Lock differs depending on the country.
●●	Change PIN: Change your personal ID number required to set up the TV.
	NN If you forget the PIN code, press the remote control buttons in the following
◀	sequence, which resets the PIN to “0-0-0-0”: POWER (off) → MUTE → 8 →	▶
	2 → 4 → POWER (on).

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