I just bought a Viera TC-L42ET5 LCD TV and was wondering what the difference is between 2D-3D and 3D. When watching TV through the coax connection, I am given two options in the 3D menu: 2D-3D and 2D, but when watching a DVD (not blu-ray) through HDMI, I am given an additional "3D" option. Why am I given two options for 3D (2D-3D and 3D) if the source (DVD disc/player) is not a 3D source?
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