LG LSM2150 User Manual page 18

Adjusting the Screen
Name of the Buttons in the Screen Adjustment Unit
INPUT Button
Each time you press the Input button it will change to VIDEO1
DVI HDMI.
If nothing is inputted for several seconds the screen will automatically move to the selected menu.
CVBS
VIDEO1
CVBS
VIDEO2
RGB PC D-Sub analog signal
DVI DVI Digital signal
HDMI HDMI Digital signal
A17
Input
VIDEO1
VIDEO2
RGB PC
DVI
HDMI
OK
RGB PC
VIDEO2