Kramer-electronics VP-790 Manual do Utilizador Página 29

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VP-790 Protocol API Functions 25
2.15 23BBlack-Level
2.15.1 176BbyOsdBlackLevelSet
API index: 104 (sic!)
Sets the black level offset.
Input Parameters
Name Type Range Description
Value UWORD32 0x00000000: -25 IRE
0x7FFFFFFF: 0 IRE
0xFFFFFFFF: +25 IRE
Black level
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
2.15.2 177BbyOsdBlackLevelGet
API index: 123
Retrieves the black level offset from either cache or the SPD.
Input Parameters
Name Type Range Description
Option BYTE 0: From cache
1: From SPD
Retrieval method
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
Value UWORD32 0x00000000: -25 IRE
0x7FFFFFFF: 0 IRE
0xFFFFFFFF: +25 IRE
Black level
2.15.3 178BbyOsdBlackLevelSave
API index: 122
Saves the black level offset from cache into the SPD.
Input Parameters
None
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
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