NewTek TriCaster 8000 - Manual (Page 163)

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 Analog Out menu (not present on TriCaster 410
or TriCaster Mini) – select the video connection
type for downstream devices you intend to
connect to the corresponding output:
o Component
o Composite + Y/C
Note: The only analog connection type suitable for HD video is Component. The Analog
Out menu for Outputs 1 and 2 are automatically set to Component and locked when the
current Resolution selection for the row is HD.
Choosing Component or Composite + Y/C results in the output connectors in
the corresponding row being configured as shown in the following table:
Connection Type BNC 1 (SDI) BNC 2 (Y) BNC 3 (Pb) BNC 4 (Pr)
Component SDI Y Pb Pr
Composite + Y/C SDI Composite Y C
Note: TriCaster’s digital (SDI) video outputs are always active, even when the analog
outputs in the same group are in use.
A
LPHA
M
ATTE
The Video source menu options for Output 2 include a switch labeled Alpha Matte.
This feature can be used independently, or supplement the Act as Alpha option
(discussed in Section 8.2.2).
An alpha matte can be automatically derived from suitable sources. It might be the
matte from a LiveMatte keyer effect, allowing Output 2 to support downstream
compositing of the full color source. Or, it could be drawn directly from an image or
Title Page in a Media Player. It could just pass-through the matter from an upstream
alpha channel source. Simply enable the switch in the Output Configuration panel,
and select a suitable source using the same menu.
Note: Generally, the
source’s Resolution should match session format when supplying
an Alpha Matte signal to downstream devices.
FIGURE 125