AJA kona lhi Installation And Operation Manual page 51

DS Keyer Screen
KONA LHi Installation and Operation Manual — Using The KONA LHi Control
The KONA LHi has a hardware-based downstream keyer that is ideal for putting logos, "bugs" or
other video material with an alpha channel on top of video being played out or printed to tape.
A typical application would be putting a television station's call letters or channel over program
video content. Keyed video can be from the KONA's internal Frame Buffer (from storage, video
In, KONA TV, etc.) or from a graphics file that has an alpha channel (PhotoShop etc.).
KONA LHi Control Panel, DS Keyer Tab
DS Keyer Screen Settings
Downstream Keyer Mode:
Downstream Keyer Off — when this pulldown menu item is selected the downstream
keyer will be turned off
Frame Buffer over Matte— places the keyed video with alpha channel currently in the
Frame Buffer over a fixed color matte determined by the "Matte Color" setting set
separately.
Frame Buffer over Video In—places the keyed video currently in the Frame Buffer over
the video input for playout or print-to-tape.
Graphic over Matte—places a graphics file having an alpha channel (chosen in "Graphic
File" pulldown) over a fixed color matte determined by the "Matte Color" setting set
separately.
Graphic over Video In—places a graphics file having an alpha channel (chosen in
"Graphic File" pulldown) over the video input for playout or print-to-tape.
Graphic over Frame Buffer—places a graphics file having an alpha channel (chosen in
"Graphic File" pulldown) over the current contents of the KONA card's Frame Buffer
(which might be from storage, video In, KONA TV, etc.).
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