Sony DVS-7300 System User Manual page 93

Basic Downstream Key Operations
Parallel configuration
Each of the four downstream keys is inserted into a single background image
to provide four different final outputs.
Independent configuration
Each of the four downstream keys is inserted into a separate background
image to provide four different final outputs.
Note
It is not possible to select this configuration in a 3.5-M/E system.
4-26
Chapter 4 Basic Operations for Image Creation
Background video
Background video 1
Background video 2
Background video 3
Background video 4
Final output 1
DSK 1
Final output 2
DSK 2
Final output 3
DSK 3
Final output 4
DSK 4
Final output 1
DSK 1
Final output 2
DSK 2
Final output 3
DSK 3
Final output 4
DSK 4