Philips 55PUG8807 User Manual page 52

Content rating lock
Set the lock to block the rated programmes.
 Settings > All settings > Child lock > Content
rating lock.
To prevent children from watching a programme not
suitable for them, you can set a lock to block the
rated programmes. Digital channels can have their
programmes rated by content. To watch a locked
programme, you must enter the Child lock code first.
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