Sony VPL-VW270ES Operating Instructions Manual page 27

Setting items
Input Lag
Reduction
Description
Reduces the delay of the display for a video.
On: Shortens the time to display the input video image; effective for
increasing the performance of the display reaction speed when using an
external controller, etc.
Off: Turns the Input Lag Reduction function off.
Tip
When "Input Lag Reduction" is set to "On," Motionflow, NR, and MPEG
NR cannot be set.
27