LG T530SS.ADA Quick Start Manual page 6

Control Panel Functions
Front Panel Controls
Control
CONTROLS LOCKED
CONTROLS UNLOCKED
Direct Access Function
Button
Bring up Contrast adjustment
Button
Bring up Brightness adjustment
The Contrast and Brightness functions are also available in the
On Screen Display (OSD) menu.
CONTROLS LOCKED/UNLOCKED
: MENU and
This function allows you to secure the current
control settings, so that they cannot be
inadvertently changed. Press and hold the MENU
button for 5 seconds: the message
button and
"CONTROLS LOCKED" appears.
You can unlock the OSD controls at any time by
pushing the MENU button and
seconds:
The message "CONTROLS UNLOCKED" will
appear.
A6
button for 5