Grass Valley 1200 Operation Manual - Manual (Page 108)

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Section 3 — Controls & Menus
4:4:4 Chroma Key Sources Menu
From the Configuration /Inputs/Define Inputs menu, press [4:4:4
CK SOURCES>]
to display the 4:4:4 CK Sources menu shown in
Figure 3-28. The soft knobs in this menu map 4:4:4 chroma key
channels A and B to physical BNC inputs on the back of the frame.
Figure 3-28. 4:4:4 Chroma Key Sources Menu
Crosspoint Display Legends Menu
From the Configuration /Inputs/Define Inputs menu, press [XPT
DISP LEGENDS>]
to display the Crosspoint Display Legends menu
shown in Figure 3-29. This menu permits you to set the names that
appear in the LED displays above the crosspoint buttons.
4:4:4 CHROMA KEY SOURCES MENU
4:4:4 CK
CHANNEL A
=J15
4:4:4 CK
CHANNEL B
=J16
Exit