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Restart/reset; To Set Restart/reset Mode - Sony XC-EU50 Technical Manual

Sony corporation ccd black-and-white video camera module xc-eu50/eu50ce.
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Restart/Reset

To set Restart/Reset mode

The information on one screen can be extracted at any
time by externally inputting a restart/reset signal (HD/
VD). To enter this mode, set DIP switches 6, 7, and 8
on the rear panel of the camera as shown in the figure
below. The setting is especially effective for the
operation explained below.
Long exposure
The Restart/Reset function extends the CCD
accumulation time, resulting in a highly sensitive
image. This function is effective when you cannot gain
satisfactory sensitivity under normal operating
conditions, or when you want to observe a moving
object. Extend the VD interval (T) period between
external VD pulses.
Sample input timing chart 1
EXT HD
EXT VD
Exposure time for the Odd field
Exposure time for the Even field
Frame Accumulation (Factory setting)
Video output
Odd and even fields are determined by the phase of the EXT HD/VD signal input from the outside.
Continuous signal: 15.734 kHz (XC-EU50) Allowable frequency value ±1%,
15.625 kHz (XC-EU50CE) Allowable frequency value ±1%
VD interval (T): 262.5 H or more (XC-EU50) and less than 1 second (Recommended),
312.5 H or more (XC-EU50CE) and less than 1 second (Recommended)
Four or more VD pulses are required.
T
Invalid image
Note
Some white spots may appear after a long exposure.
T
T
Odd image
Even image
Valid frame image
Mode Setting
11

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