Samsung UE40D7000LU E-Manual page 174

For the Standard HDMI 3D format with 24Hz, the TV is optimized as follows:
● Resolution First Display Mode: If
Standard, you can watch the video at a high resolution optimized to the
resolution of the source video.
● Judder Reduction Display Mode: When
Custom, you can watch a smooth picture without judder.
◀
is set to Off,
Motion Plus
Motion Plus
English
or
Clear
is set to Smooth or
▶