Your settings are lost after 30 minutes or
every time the TV is turned off.
If the TV is in the
mode, it will reset audio and picture
settings every 30 minutes. Change
the settings from
to
procedure. Select
using your remote, and go to
→
It is possible to disable the
Home Use
→ Setup.
System
Store Demo
Store Demo
mode in the
TV
in the
mode
Setup
Source
Menu
Store