Edirol V-4 ユーザーズマニュアル

Select channel A image.

Play back the image that you want to use as the background.

Select channel B image.

Input image to overlay into channel B. The image for Luminance Key should have clear contrast of 
light and dark. 

Press the Luminance Key button.

Press the channel B “ Luminance Key” button. 

Move the video fader to channel B.

The light or dark part of the channel B image is extracted and the image from channel A appears.

Turn the control dial.

Parameter of Luminance Key (level of extraction) gradually changes. If Luminance Key button is 
not blinking, you cannot change the parameter with control dial. 

Move the video fader

Moving the video fader will control appearance and disappearance of image after extraction.

Turn the effect off

Press the button again to turn the effect off.

Some effects cannot be used simultaneously.