JAI BM-500 GE User Manual page 43

For instance, if the gamma is set to 0.45, LUT Value in the dark portion should be high and it
should be smaller as the signal level becomes high. Please refer to the following drawing.
LUT Value
(Coefficent)
(X4.0)
16384
(X3.0)
8192 (X2.0)
(X1.0)
4096
(X0.5)
2048
(X0.25)
1024
0
Look Up Table γ=0.45 setting
Fig.28 Setting example of Gamma=0.45
The Gamma setting and LUT cannot be used at the same time. This is because the Gamma
setting and LUT use the same data table.
Gamma setting
Note: LUT Enable is False.
When LUT is used, the Gamma setting should be 1.0 ( OFF). Then, "LUT Enable" is set at
"True".
BM-500GE / BB-500GE
255
LUT Index (D000 to D3FC)
Gamma=0.45 (OFF)
Video IN/OUT γ=0.45 characteristics
41
Video Inout