LG 57M - Manual (Page 11)

A8
Control Panel Function
Buttons on the front of the monitor allow you to adjust the image
easily through an OSD menu. As you choose controls, the selected
icon shows you what the chosen control will do. These pictures give
you immediate understanding of the controls. The following is a
description of use for each button.
Power ON/OFF Button
This button is used to turn the monitor ON and OFF. In case the
monitor is in a stand-by mode, indicated by an amber color Power
Indicator, push the Power Button again to return the monitor to its
normal display operation.
Power Indicator
This Indicator lights up green when the monitor operates normally.
If the monitor is in DPM (Energy Saving) mode (stand-by/suspend/
power off), this indicator color changes to amber.
Contrast control
Adjust the display to the contrast desired. Move the thumbwheel
located beneath this indicator to increase or decrease the display
contrast.
Brightness control
Used to adjust the brightness of the screen. Move the
thumbwheel located beneath this indicator to increase or
decrease the display brightness.
OSD ON/OFF Enter button
Use this button to start/enter and exit from the On Screen
Display (OSD). If there is no OSD on the screen, One press of
this button will show the Main Menu.
Increase
Decrease
OSD ON/OFF Enter Button
OSD Select /Adjustment Control
Brightness
Sound Menu
Sound Mute
MIC
Contrast
Power Indicator
Power ON/OFF
Button