AJA kona3 Installation And Operation Manual page 54

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KONA 3 Control Panel, Formats Screen Showing Dual-link In/Out (no conversion)
Up (Conversion)—the Up and Down pull-down menus are available when conversion has
been selected for the video path to/from the framebuffer and like Hz formats are selected
(the one exception is 1080PsF 23.98 which can be down-converted to 525i 29.97.)
Different choices will be available depending on the type of conversion and formats
being converted. SD to SD conversions are essentially aspect ratio conversions to
accommodate transforming anamorphic images to letterbox or vice versa.
For up-conversion the following choices are available:
Anamorphic: full-screen "stretched" image
Pillar box 4:3: results in a 4:3 image in center of screen with black sidebars
Zoom 14:9: results in a 4:3 image zoomed slightly to fill a 14:9 image
with black sidebars
Zoom Letterbox: results in image zoomed to fill full screen
Zoom Wide: results in a combination of zoom and horizontal stretch to fill
a 16:9 screen; this setting can introduce a small aspect ratio change
Down (Conversion)—for down-conversion the following choices are available:
Anamorphic: full-screen "stretched" image
Letterbox: image is reduced with black top and bottom added to image area with the
aspect ratio preserved
Crop: image is cropped to fit new screen size
SD to SD—this pulldown is for SD to SD aspect ratio conversion.
Letterbox: this transforms SD anamorphic material to a letterboxed image.
H Crop: will produce a horizontally stretched effect on the image; transforms anamorphic
SD to full frame SD
Pillarbox: will produce an image in the center of the screen with black borders on the left
and right sides and an anamorphized image in the center
V Crop: will transform SD letterbox material to an anamorphic image