Sony MVS-8000 User Manual page 397

To make detailed settings for down-conversion
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Setup Relating to Switcher Processor
In the Switcher >Input >FC Adjust menu, select the input to which the
setting applies.
Press [Format Converter], turning it on.
This enables format conversion.
In the <Aspect> group, select one of the following.
Edge Crop: Crop the left and right sides of a 16:9 image to convert it to a
4:3 image.
Letter Box 13:9: Crop the left and right sides of a 16:9 image to make a
13:9 image and add black bars at the top and bottom of the 13:9 image
to make a 4:3 image.
Letter Box 14:9: Crop the left and right sides of a 16:9 image to make a
14:9 image and add black bars on the top and bottom of the 14:9 image
to make a 4:3 image.
Letter Box 16:9: Add black bars on the top and bottom of a 16:9 image to
convert it to a 4:3 image.
Squeeze: Compress a 16:9 image horizontally to convert it to a 4:3 image.
(For details of the image transformations, see the following figure.)