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Transmission
7
6
Reserved
Reserved
Reserved
0
x
0
x
0
x
1
0
x
1
7
6
Reserved
Reserved
Reserved
1
x
1
x
1
x
1
1
x
1
Acknowledgement
Transmission
Acknowledgement
Transmission
Acknowledgement
5
4
RF Source
Reserved
0
0
ATV
0
1
DTV
0
Radio
1
Reserved
5
4
RF Source
Reserved
0
0
ATV
0
1
DTV
0
Radio
1
Reserved
3
2
1
Reserved
Reserved
Reserved
x
x
x
x
x
x
3
2
1
Reserved
Reserved
Reserved
x
x
x
x
x
x
0
Data
Main / Sub
0
Main picture
1
Sub picture
0
Data
Main / Sub
0
Main picture
1
Sub picture
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