Panasonic CT-25L8 Operating Manual page 65

Addendum to explain how to exit PICTURE MENU LOCK MODE
If you try to adjust PICTURE MENU and the following message is displayed on-screen,
please follow the procedure below to exit this mode.
Procedure
• Press ACTION and CH
mode.
PICTURE MENU LOCK MODE
REFER TO OWNER'S MANUAL
TO EXIT THIS MODE
buttons on the TV front panel simultaneously to exit this