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KEY3 Mask
The procedure for using KEY3 as a mask is almost the same as when setting up a regular
key box mask. Also, the KEY3 mask can be inverted to hide the inside of the KEY3 image.
Parameter Setting Description
TYPE
KEY3_A
The entire KEY3 mask area is set to background image. (AND
composite)
KEY3_O The entire KEY3 mask area is set to key insert video. (OR composite)
INVERT ON/OFF Setting to ON inverts the KEY3 mask.