Barco 26-0313000-00 manual Aph=ÇàìëíãÉåí=jÉåì, Aph=iìã~=hÉó=cìåÅíáçåë=, DSK Adjustment

5. Menu Orientation

DSK Menus

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The DSK Adjustment Menu provides the tools necessary to adjust the DSK (Downstream Key. To access the menu:

•Press DSK in the Layer Control Section.

The available DSK Adjustment Menu functions change, depending upon the selected “Key Type.”

•When Luma is selected, you can perform a luminance DSK. Refer to the “DSK Luma Key Functions” section on page 254 for details.

•When Color is selected, you can perform a color DSK. Refer to the “DSK Color Key Functions” section on page 255 for details.

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A Luma (luminance) key is one in which the hole-cutting information is derived from the luminance (brightness) level of the key source. The figure below illustrates the DSK Adjustment Menu when Luma key is selected:

		DSK ADJUSTMENT
S
	Key Type	Luma
T			N
A
T	Destination	[ 1 ]	A
S			V
	ID	ALL
	Invert Mode	Off
	Clip	512	A
			D
	Gain	7.00	J
	Opacity	1000
	Fill Source	Matte

MATTEINPUT

SETUP

Figure 5-92.DSK Adjustment Menu — Luma (sample)

The following DSK Adjustment Menu functions are provided when Luma is selected as the DSK type:

•Key Type — displays the currently selected DSK type.

•Destination — displays the currently selected destination (if a single destination is selected) or enables you to select a destination (if multiple destinations are enabled).

•ID — displays the ID of the selected destination’s associated Video Processor.

•Invert Mode — inverts the DSK signal.

•Clip — adjusts the threshold of the video that “cuts” into the background image. A hole will be cut into the background anywhere that foreground luminance is greater than the clip level. The hole is then filled with the Fill Source.

~Adjustment range: 0 to 1023

254 Encore Presentation System • User’s Guide • Rev 04