Datavideo DVK-300HD Instruction Manual page 43

Hd/sd chromakey
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Return Get Background Color Tone Detection – Default Color
Return
Sync Byte
Byte Count
Byte 1
Byte 2
Byte 3
Checksum
Return Get Background Color Tone Detection – Real Color Tone Detected
Return
Sync Byte
Byte Count
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
Checksum
0xAA
0x04
0x90
Command code
0x03
Background color tone detection
0x00
Default color
0x93
0xAA
0x06
0x90
Command code
0x03
Background color tone detection
bit7 ~ bit0
Background color Red bit7 ~ bit0
bit7 ~ bit0
Background color Green bit7 ~ bit0
bit7 ~ bit0
Background color Blue bit7 ~ bit0
(Byte 1 + ... + Byte 5) & 0xFF
42

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