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Grass Valley 8990ARC v.1.0 User Manual

Page 28

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8990ARC Instruction Manual

8990ARC SD Aspect Ratio Converter

contains this section of coding and the Video Index Control function is
enabled, the mode will automatically change to 1 (no processing) if the
input format and selected output format are the same. It will revert to the
previous, 2 through 4 selection when either the input format changes or the
user changes the desired output format.