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Sony XC-EU50 Technical Manual Page 17

Sony corporation ccd black-and-white video camera module xc-eu50/eu50ce.
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For setting the shutter speed using the DIP switches
HD/VD input
N Continuous HD input/Single VD input
External trigger shutter operation
1
100 µ s to 250 ms
1
Trigger*
Exposure time (Te)*
1
External HD*
1
External VD*
(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 9.
*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.
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 is not output correctly when the next trigger
is input before the image for the previous trigger is
output.
Mode transition state
External input
inhibition area
3
Normal operation*
Trigger pulse width*
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
shutter operation
(50 ms)
2
Exposure time
2
(Te)*
min.10 ms
2
250 H (EIA)
293 H (CCIR)
17

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