Kogan KALED65UHDNSZA Owner's Manual page 20

Channel Lock
Parental Guidance
Key Lock
Press ▼ / ▲ button to select Key Lock, then press ◄ / ► button to select Off or On.
When Key Lock is on, you can't use the Key panel button.
Press ▼ / ▲ button to select Channel Lock
then press Enter button to enter sub-menu to block programs
that are unsuitable for children.
Press ▼ / ▲ button to select Parental Guidance,
then press Enter button to enter sub-menu to select the number
of age which is suitable for your children.
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