Samsung 6400 series User Manual page 191

IMPORTANT HEALTH AND SAFETY INFORMATION FOR 3D PICTURES.
Read and understand the following safety information before using the TV's
3D function.
WARNING
[
● Some viewers may experience discomfort while viewing 3D TV such as
dizziness, nausea and headaches. If you experience any such symptom,
stop viewing 3D TV, remove the 3D Active Glasses and rest.
● Watching 3D images for an extended period of time may cause eye strain. If
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you feel eye strain, stop viewing 3D TV, remove your 3D Active Glasses and
rest.
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