see Strobe Crosstalk FAQ. For best results， use the fastest UFO Speed setting you can easily track with your eyes. Adjust your viewing distance & Pixel Scale if necessary to eye-track faster UFOs. ， Strobe Crosstalk Test / Display Blur Reduction This test is for Motion Blur Reduction modes in displays and gaming monitors including ULMB / LightBoost / ELMB / DyAc / etc. This test will reveal double-image effects caused by strobe crosstalk. Blur Reduction modes use a strobe backlight or scanning backlight to reduce motion blur. Some brands have utilities to allow calibration of Blur Reduction，。
such asStrobe Utility for BenQ/Zowie monitors. Run this test in full screen mode. Adjusting Strobe Phase (Area) will shift the location of double-image effects. Adjust for clearest image (least double-image effect). For anadvanced technical explanation of strobe crosstalk。