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Sony XC-ES50/50CE Technical Manual Page 18

Ccd black-and-white video camera module.
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For setting the shutter speed using the DIP switches
HD/VD input
◆ Continuous HD input/Single VD input
External trigger shutter operation
1
100 µ s to 250 ms
Trigger*
1
Exposure time (Te)*
External HD*
1
External VD*
1
(Single VD)
T: T=10 ms to 75 ms*
Video out
WEN
*1 This is a signal input from outside. Make sure to
input both HD and VD signals in this case. Input
the signal so that the VD phase aligns with the HD
falling edge.
*2 The exposure time (Te) is determined by the
setting of the DIP switches.
For details, see Page 10.
*3 The normal operation state is chosen when the
trigger pulse width is 1/3 s or more. (By entering a
continuous VD in this section, an image is output.)
The trigger falling edge restores the external
trigger shutter operation. In this case, the area
between the falling edge of a trigger pulse and the
subsequent 50 ms period is an external trigger
input inhibition area. There is no guarantee of
operation for any triggers input in this period.
Trigger pulse width*
2
4
1
250 H (EIA)
293 H (CCIR)
*4 Input the external VD within the period of 10 ms to
Note
Make sure that the trigger signal and the VD signal
make up a pair.
An image will not be output correctly if another trigger
is input before the image for the previous trigger is
output.
Mode transition state
External input
inhibition area
Normal operation*
3
3
75 ms after the trigger rising edge (1 and 2 in
the figure). There is no guarantee of operation
when any other input is selected. If an invalid
signal is input, the input is changed to a valid
signal, and after several V signals, normal
operation will resume.
Mode Setting
External trigger
(50 ms)
shutter operation
2
Exposure time
2
(Te)*
min.10 ms
2
250 H (EIA)
293 H (CCIR)
18

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