LG 42PQ20 Owner's Manual page 91

Lock System
Enables or disables the blocking scheme you set up previously.
___ Select LOCK.
Input the password.
Select Lock System.
Select O n or Off.
Return to the previous menu.
Return to TV viewing.
01_ When you select O n, the Lock System
is enable.
_o
m
z
N
©
z
_o
©
_o
z
89