Samsung PN59D6500DFXZA - Manual (Page 172)

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● 3D Active Glasses from Samsung’s previous product (IR type) or other
manufacturers not be supported.
● When the TV is initially powered on, it may take some time until the 3D
display is optimized.
● The 3D Active Glasses may not work properly if there is any other 3D
product or electronic devices turned on near the glasses or TV. If there is a
problem, keep other electronic devices as far away as possible from the 3D
Active Glasses.