Quantum Data 802BT User Manual page 331

Method
Natural aspect ratio
Squeeze (anamorphise)
Centered protected shrink with shot surround
Centered shrink with black bars top and bottom
Top shrink with single black bar at bottom
Shrink coded frame to title area w/ opaque black bar surround
Related commands
Example
Video Test Generator User Guide
The following table provides mapping codes used by AFD (see XAFD).
CXAR, EXAR, SXCX, SXEX
EXCX 8 // Use centered protected shrink w/shot surround mode
FMTU
Binary Field Code Decimal Code Symbol
00000000000000000
00000000000010000
00000000000100000
00000000000000001
00000000000001000
00000000100001000
00000000100011000
01000100000000000
0 N0
16 N1
32 N2
1 S
8 Lcsp
264 Lcbb
280 Ltbb
34816 Ktbb
321