Samsung UN55FH6200FXZA - Manual (Page 281)

To watch in 3D, you must wear 3D
Active Glasses and turn the glasses on
by pressing the power button.
1. Go to the
3D screen. ( Picture
→
3D )
2. Select the
3D Mode . The 3D Mode
screen appears.
3. Select the
3D Mode option for the
image you want to view. The screen
goes blank for a moment, and then
reappears in the 3D mode you
selected.