To set password
SETTINGS LOCK Set Password
Sets or change the TV password.
The initial password is set to 0000.
To lock system
SETTINGS LOCK Lock System
Locks the selected channel or external input.
First set Lock Systemto On.
To use Key Lock
SETTINGS LOCK Key Lock
Locks control buttons on TV.
Key Lock function remains intact even in case of power outage or when the power cord is removed from the wall socket.
Key Lock function can be set only by the remote control, and not by the keypad on the TV.
Even though Key Lock is set to On, the TV’s buttons can turn on the power.