Unibrain 501 - Manual (Page 39)

Unibrain Fire-i 501/511/601/701/702/810 Operation Manual Page 31
3.7. Gamma
Gamma control defines the function between incoming light level and output picture level. Factory default setting for
Gamma is set to 1.0. Gamma value is adjustable in the range of 0.4 ~ 2.5 as per the table below. For Gamma control
inquiry and status register, follow the same definition as “BRIGHTNESS”
0
500
1000
1500
2000
2500
3000
3500
4000
0 500 1000 1500 2000 2500 3000 3500 4000
Gamma Range Table
Gamma
Value
4 5 6 7 8 9 10 11 12 13 14
Gamma 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
Gamma
Value
15 16 17 18 19 20 21 22 23 24 25
Gamma 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5
4095
Gamma=2.5 (25)
Gamma=1.0 (10)
Gamma=0.4 (4)
4095