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Unibrain Fire-i 530/630/830 Operation Manual Page 23
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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”.
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
1706 ~ 2399 1ms T= (Y-1705)+76 ms 77ms ~ 770ms
2400~2902 10ms T= (Y-2399)*10+770 ms 780ms ~ 5800ms
Gamma=2.5(25)
Gamma=1.0.(10)
Gamma=0.4(4)
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