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Chapter 5 Control From Editing
Control Units
5-12 Chapter 5 Control From Editing Control Units
A/B Roll Editing
Signal flow
The flow of signals in A/B roll editing is as follows.
For more information about connections, “see Connections for an A/B Roll
Editing System” (page 6-5).
Signal flow in A/B roll editing
Player VCR A
PGM OUT
VIDEO
INPUT
VIDEO
INPUT
Recorder VCR
Foreground bus
video
DFS-700/700P
Player VCR B
Background bus
video
GPI signals
Control signal
Control signal
Control signal
Editing control unit
Note
To improve editing accuracy, supply a reference sync signal to the editing control unit and
the VCRs from the BLACK BURST OUT connectors on the DFS-700/700P.
Control Using GPI Signals