Kramer Electronics VP-790 - Manual (Page 29)

VP-790 Protocol – API Functions 25
2.15
23B
Black-Level
2.15.1
176B
byOsdBlackLevelSet
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
177B
byOsdBlackLevelGet
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
178B
byOsdBlackLevelSave
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