LG LED LCD TV Owner's Manual page 57

Setting
Data Service This function allow users to choose between MHEG (Digital Teletext) and Teletext if both exist at
(only in Ireland.) the same time.
Factory Reset This function initializes all settings.
y
Set ID
Adds an ID to the connected devices
Demo Mode Sets to show special features of the TV. You can cancel the demo mode by pressing any buttons
except the Volume and Mute buttons.
y
NOTE
In Lock System "On", if you forget your password, press '0', '3', '2', '5' on the remote
control handset.
NOTE
The screen is reset automatically after 5 minutes in Demo Mode.
CUSTOMIZING SETTINGS
Description
57