How to block adult channels tvip 605

[alehandro]

Tvip 605 software version 4.0.26 under security settings lock adult channels i have only option disable.Theres no option to enable this option.
I have activate the pin under security but theres still no option to activate lock adult channels.Why?

[patalhetas]

how U are fixed that ?
I have the same problem !!! can U help me ?

[ftor]

the channels should be marked as adults