Kramer-electronics VP-790 Manual de usuario Pagina 33

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VP-790 Protocol API Functions 29
2.19 27BContrast
2.19.1 188BbyOsdContrastSet
API index: 124
Sets the contrast (gain).
Input Parameters
Name Type Range Description
Value UWORD32 0x00000000: 11/√2
0x7FFFFFFF: 1
0xFFFFFFFF: 1+1/√2
Contrast (signal gain)
Return Values
Name Type Range Description
Status BYTE 0x00-0xFF 0 if successful, error code otherwise
2.19.2 189BbyOsdContrastGet
API index: 126
Retrieves the contrast (gain) 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: 11/√2
0x7FFFFFFF: 1
0xFFFFFFFF: 1+1/√2
Contrast (signal gain)
2.19.3 190BbyOsdContrastSave
API index: 125
Saves the contrast (gain) 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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