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External Trigger Shutter - Sony XC-HR90 Technical Manual

Ccd black-and-white video camera module.
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External Trigger Shutter

Inputting an external trigger pulse enables the camera to capture fast-moving objects clearly with precise timing.
Set DIP switches 6, 7, and 8 on the rear panel to Mode 1 or Mode 2.
When you set the trigger pulse width to 1/4 of a second or more, the output signal changes to the normal VIDEO
signal.
There are two modes for the timing in which video signals are obtained.
Mode 1 (Non-reset mode)
In this mode, a video signal synchronized with a VD signal is output after a trigger pulse is input.
– The video signal is synchronized with the external VD signal when an external HD
– The video signal is synchronized with an internal VD signal when no external HD
External or internal synchronization is selected automatically depending on the presence or absence of external
HD input.
Mode 2 (Reset mode)
In this mode, an internal VD is reset, then a video signal is output a certain period of time after trigger pulse
input.
Rear panel
DIP switches
Mode Setting
Mode 1
Mode 2
/VD signal is input.
/VD signal is input.
22

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