I'm not sure what I'm doing wrong here. I am trying to use the mp4 version to calibrate my PC monitor and my TV, which are both connected to my PC (cloned). I fired up the first black clipping test and my monitor does it fine, it flashes from 17 up. My TV doesn't flash any of the lines below 21, though, even with brightness, contrast, backlight, and sharpness turned all the way up. The monitor is an Asus VW246 connected via DVI, the TV is a 40" Changhong LED40YC1700UA connected via HDMI, and they're connected to my PC which runs an XFX 7870 Ghz Edition.