
Mode Setting
Timing Charts
When set to Mode 1
For setting the shutter speed using the trigger pulse width
HD/VD input
◆Continuous VD input
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| Mode transition state | ||||||||||||||||
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| External input |
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| External trigger | ||||||||||
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| External trigger shutter operation |
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| Normal operation*3 |
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| inhibition area |
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| 1 |
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| (50 ms) |
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| shutter operation | |||||||||||||||||||||||||||||||||||||||||||||
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Trigger*1 |
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| 2 |
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| 3 |
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| Trigger pulse width*3 |
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| Exposure time (Te)*2 |
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| Exposure |
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| Exposure time (Te)*2 | ||||||||||||||||||||||||||||||||||||
External HD*1 |
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| time (Te)*2 |
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External VD*1 |
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(Continuous |
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| ∝s*4 |
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VD) |
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| ∝ | 4 |
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| T: T=under 10 |
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| T: | T=under 10 |
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| s* |
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| 10 ∝s or more | |||||||||||||||||
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Video out |
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| 1 |
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| 2 |
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| 3 |
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*5
WEN
250 H (EIA)
293 H (CCIR)
TRG
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| 65 ∝s | |
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10∝s
*1 This is a signal input from outside. Make sure to | *4 If there is a falling edge on the external VD within | ||
| input both HD and VD signals. | a period of | |
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| edge (1 and 2 in the figure), it is not defined | |
*2 | Exposure time (Te) | whether the image is output for the external VD | |
| Te = Trigger pulse width + 97 ∝sec (EIA) | falling edge or the image is output for the next | |
| Te = Trigger pulse width + 120 ∝sec (CCIR) | external VD falling edge. (1 in the figure shows | |
| (The effective trigger pulse width for the external | that the image is output for the next external VD. | |
| trigger shutter operation is between 2 ∝s and 1/4 s.) | 2 shows the image for the external VD.) In this | |
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| case, see WEN since output of the image and WEN | |
*3 | The normal operation state is chosen when the | make up a pair. In any other cases, the image is | |
| trigger pulse width is 1/3 s or more. The trigger | output for the external VD falling edge after the | |
| falling edge restores the external trigger shutter | trigger falling edge (3 in the figure). | |
| operation. In this case, the area between the falling |
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| edge of a trigger pulse and the subsequent 50 ms | *5 When the external trigger shutter mode changes to | |
| period is an external trigger input inhibition area. | the normal operation mode, one WEN signal is | |
| There is no guarantee of operation for any trigger | output. | |
| input selected in this period. |
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| Note |
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An image is not output correctly when the next trigger is input before the image for the previous trigger is output.
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