Instruction manual

Unibrain Fire-i 530/550/630/830/850 Operation Manual
Page 28
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
3.7. Shutter
Shutter is defined as the integration time of the incoming light where both the Manual and the Auto Shutter are
supported. The shutter range varies from 1us ~ 3600sec. For Shutter control inquiry and status register, follow the
same definition as “BRIGHTNESS”.
3.7.1.1. Fire-i x3x models (530, 630, 830)
Shutter Speed Value & Range
1394 Shutter Value (Y) Increment Step
Shutter Speed Time : T
Exposure Time
Range
1~500
1us
T= Y us
1us ~ 500us
501~1000
10us
T= (Y-500)*10+500 us
510us ~ 5500us
1001~1705
100us
T= (Y-1000)*100+5500 us
5.6ms ~ 76ms
Gamma=2.5(25)
Gamma=1.0.(10)
Gamma=0.4(4)
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