LG 32LD550 Owner's Manual page 93

When using 3D Glasses
oJ
G_
z
G_
3D Imaging viewing range
TV size, viewing angle & other circumstances may change the viewing distance and the angle of view.
2m-7m
(6.5 ft - 22.9 ft)
TV
120 ° (When the viewing distance is 2 m (6.5 ft))
2m 2m
7m
93