Accom ASWR8150, Technical Manual

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The processing flow consists of a PGM/PST mixer, a downstream keyer,
and a master fade-to-black mixer. Like the M/E processor, the
PGM/PST/DSK processor lets you to break out processed key and fill
signals, route them to external devices for further manipulation, then
return them before the final compositing.
Standard Output Module [13]
The standard Output module may be installed in some 8100s and 8150s
that have been upgraded from 8100s. It processes signal outputs as
follows.
Auxiliary Outputs (Optional)
Aux 1, 2
The Video Output module has two serial digital auxiliary bus outputs
for external processing feeds or for isolated feeds. These outputs are
always cotimed, and are delayed two lines, 18 lines, or 34 lines from
reference, depending on the source selected. The output connectors are
always present, whether the option is installed or not.
Auxiliary Reference (Aux Ref)
The Aux Ref feed is a variably-delayed analog composite sync signal
that provides locking reference for video devices (typically DVEs) fed
by Aux bus outputs 1 and 2, because of their inherent delay from house
reference. Aux bus output timing varies according to the source selected
for the output, and Aux Ref is always zero timed to Aux 1 and 2. See
Section 6 – System Timing for more information.
Component Analog Monitor Outputs
Y, R-Y, B-Y
You can select this monitor feed as program or preview video. This
output is in the SMPTE/EBU N10 component analog video format (700
mVp-p video with 300 mVp-p sync on Y).
NOTE: This output is intended for monitoring only and is
not recommended for program distribution or recording.
Program Outputs
The standard Output module provides two identical serial digital
program outputs. Each has a fixed delay from reference of 34 lines plus
approximately 5 microseconds.
Preview Output
The standard Output module provides one serial digital preview
output. It has a fixed delay from reference of 34 lines plus approximately
5 microseconds.
Video Processing Functional Description 8150 Technical Guide
1-18
Introduction
9100-0212-04 - May 2000