Adjusting your image with GUINEGA EffectAllow to switch for negative / positive image (default : positive). Click [NEGA Effect] menu with the left mousebutton, current image turns negative image and menu turns checked state. To return positive image, click[NEGA Effect] menu again (and then menu turns unchecked state).ApertureAllow to control the sharpness of the output image (default : On) Click [Aperture] menu with the left mousebutton to turn on/off aperture mode. (Image mode / Text mode)Video OutAllow to switches video output mode to NTSC or PAL.Click [NTSC/PAL] menu with the left mouse button, video mode is switched to current value.