Mitsubishi Electric KD Series User Manual page 82

5-2 Setting⑮:
Address Register name
70E0h GammaCorrectionEnable R/W
5-2-17 γ correction function
[Function]
Change output linearity based on Look-up table
(γ correction table).
The initial setting is γ=1 (γ correction OFF).
[Factory setting at look-up table]
γ table : γ=2.2
[Remark]
1)γ correction selects or specifies a gradation of 256 steps
(8 bit length), that is one of 4 blocks that 1024 steps (10bit
length) are divided by 4.
2)For more details of γ correction, refer to the Function
Specification.
TM-XJ959A
Gamma
R/W Parameter
Data
Set γ correction On/Off
0 or 1
0:OFF /1:ON
Correction
Function
Gamma Curve
Gamma Table Threshold
GMSH_01 GMSH_02
10 24
Zone1 Zone2
Zone0
76 8
Outp ut
51 2
25 6
25 6
Zone0 Zone1
0-12 8 12 9-34 6
Data after
Conversion grada tio ns grada tions
9 0 0
8 0 1
7
6
5
4
8bit-SRAM 8bit-SRAM
FFh-00h FFh-00h
3
2
1
0 LSB
Initial
0
GMSH_03
Zone3
51 2 768 10 24
Inp ut
Zone2 Zone3
34 7-640 641-10 23
gradations gradatio ns
1 1
0 1
8bit-SRAM 8bit-SRAM
FFh-00h FFh-00h
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