Excx, Excx extended-from-content aperture map – Quantum Data 802BT User Manual
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Appendix A Command Reference
EXCX
Extended-From-Content Aperture Map
Class
Format parameter setting - HDMI active video
Description
Maps CXAR-shaped image content into the extended EXAR-shaped aperture.
Command syntax
EXCX code
code
0 to 131071 (in decimal)
The mapping code is made up of three binary field codes as follows:
•
Bits 0-2 are the Squeeze/Stretch (“S”) field code
•
Bits 3-9 are the Letterbox/Pillar (“L”) field code
•
Bits 10-16 are the Safe Area (“K”) field code
To determine the proper mapping code, follow these steps:
1. Using the table below, determine the proper “S” field code for bits 0-2.
Squeeze/Stretch Method
“S” Field Code
Symbol
Undo
Non-Linear Squeeze
Bit 2
Bit 1
Bit 0
Disabled (scaling is uniform)
0
0
0
Linear Squeeze (anamorphise)
0
0
1
S