Panasonic CT-20SL13 - Manual (Page 73)

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 S buttons on the TV front panel simultaneously to exit this
mode.
PICTURE MENU LOCK MODE
REFER TO OWNER’S MANUAL
TO EXIT THIS MODE