Shutter – Unibrain 830 User Manual

Page 29

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Unibrain Fire-i 530/630/830 Operation Manual

Page 23

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”.

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)

4095

4095

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This manual is related to the following products:

530, 630