– 71 –Chapter 5 Basic Operations — USK (Upstream key)Selecting the source type1 Select the 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 fill selection. The selection status is stored for each source signal.[Self Key] Uses the source selected in the key fill bus column as the key source signal.[External Key] Always uses an external key. The source signal for fill is set using [Fill] in the [Key] column.Selecting the fill typeSelect the fill type.1 Select the 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 fill signal.[Matte] Uses the internal fill matte for the key fill signal. The color set in the [Matte] column is used for the fill matte color.Setting the matte colorSet the fill matte color.1 Select the 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 sourceSelect the key fill and key source signals to be used as USK sources.1 Select the button → [UP STREAM KEYER] → [USK XPT] tab.2 Select signals.f Signals available on the USK bus are as follows.Signal name Description of signalSDI IN1 - SDI IN32 SDI input signals 1 to 32DVI IN1, DVI IN2 DVI-D input signalsStill 1V, Still 2V, Still 3V, Still 4V Video memory (still image) 1 to 4 videosStill 1K, Still 2K, Still 3K, Still 4K Video memory (still image) 1 to 4 keysClip 1V, Clip 2V, Clip 3V, Clip 4V Video memory (moving image) 1 to 4 videosClip 1K, Clip 2K, Clip 3K, Clip 4K Video memory (moving image) 1 to 4 keysCBGD1, CBGD2 Color background 1, 2CBAR Color barBlack Black imageSetting the USK insertSet the USK to combine with the background signals.1 Select the 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 signalSDI IN1 - SDI IN32 SDI input signals 1 to 32DVI IN1, DVI IN2 DVI-D input signalsStill 1V, Still 2V, Still 3V, Still 4V Video memory (still image) 1 to 4 videosStill 1K, Still 2K, Still 3K, Still 4K Video memory (still image) 1 to 4 keysClip 1V, Clip 2V, Clip 3V, Clip 4V Video memory (moving image) 1 to 4 videosClip 1K, Clip 2K, Clip 3K, Clip 4K Video memory (moving image) 1 to 4 keysCBGD1, CBGD2 Color background 1, 2CBAR Color barBlack Black image
