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Chapter 5 Basic Operations — USK (Upstream key)
Selecting the source type
1
Select the <DSK MISC> button → [UP STREAM KEYER] → [USK1] to [USK4] tabs.
2
Select an item in [Source Type] in the [Key] column.
f Select the mode to link selection of key source signal with key ll selection. The selection status is stored for each source signal.
[Self Key] Uses the source selected in the key ll bus column as the key source signal.
[External Key] Always uses an external key. The source signal for ll is set using [Fill] in the [Key] column.
Selecting the ll type
Select the ll type.
1
Select the <DSK MISC> button → [UP STREAM KEYER] → [USK1] to [USK4] tabs.
2
Select an item in [Fill] in the [Key] column.
[Bus] Uses the bus signal for the key ll signal.
[Matte] Uses the internal ll matte for the key ll signal. The color set in the [Matte] column is used for the ll matte color.
Setting the matte color
Set the ll matte color.
1
Select the <DSK MISC> button → [UP STREAM KEYER] → [USK1] to [USK4] tabs.
2
Adjust the color.
f Set [Hue], [Sat], [Lum], or [Color Palette] in the [Matte] column.
Selecting the USK source
Select the key ll and key source signals to be used as USK sources.
1
Select the <DSK MISC> button → [UP STREAM KEYER] → [USK XPT] tab.
2
Select signals.
f Signals available on the USK bus are as follows.
Signal name Description of signal
SDI IN1 - SDI IN32 SDI input signals 1 to 32
DVI IN1, DVI IN2 DVI-D input signals
Still 1V, Still 2V, Still 3V, Still 4V Video memory (still image) 1 to 4 videos
Still 1K, Still 2K, Still 3K, Still 4K Video memory (still image) 1 to 4 keys
Clip 1V, Clip 2V, Clip 3V, Clip 4V Video memory (moving image) 1 to 4 videos
Clip 1K, Clip 2K, Clip 3K, Clip 4K Video memory (moving image) 1 to 4 keys
CBGD1, CBGD2 Color background 1, 2
CBAR Color bar
Black Black image
Setting the USK insert
Set the USK to combine with the background signals.
1
Select the <DSK MISC> button → [UP STREAM KEYER] → [USK Insert] tab.
2
Select signals.
f The background signals that can be combined with the USK bus are as follows.
Signal name Description of signal
SDI IN1 - SDI IN32 SDI input signals 1 to 32
DVI IN1, DVI IN2 DVI-D input signals
Still 1V, Still 2V, Still 3V, Still 4V Video memory (still image) 1 to 4 videos
Still 1K, Still 2K, Still 3K, Still 4K Video memory (still image) 1 to 4 keys
Clip 1V, Clip 2V, Clip 3V, Clip 4V Video memory (moving image) 1 to 4 videos
Clip 1K, Clip 2K, Clip 3K, Clip 4K Video memory (moving image) 1 to 4 keys
CBGD1, CBGD2 Color background 1, 2
CBAR Color bar
Black Black image