LG 42PM4700 Owner's Manual page 188

To view 3D images
❐
3D imaging is a technology that utilizes the slight difference in left/right eyes to
make the images on TV appear just like real-life 3-dimensional space.
1 Play a 3D-image title or turn to a 3D channel.
2 Press the 3D
3 Turn on the 3D glasses and put it on.
4 While viewing 3D images, press
image viewing.
✎ Depending on the input signal, available 3D type may differ.
button to change to 3D imaging.
3D button on the remote control to end 3D