Sony XC-ST51CE Technisch handboek - Pagina 10
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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 Restart/Reset signals (HD/
VD). To enter this mode, set the trigger shutter switches
(6 to 8) on the rear panel of the camera as shown in the
figure below.
The Reset/Restart mode is especially effective for frame
image output with long exposure or a strobe light.
Long exposure
The Restart/Reset function extends the CCD
accumulation time, resulting in highly sensitive
image capture. This function is effective when you
cannot gain satisfactory sensitivity under normal
operating conditions, or when you want to observe
the trail of a moving object. Extend the VD interval
(T) 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.
XC-ST51/ST51CE
XC-ST50/ST50CE
XC-ST30/ST30CE
Rear panel
Continuous signal: 15.734 kHz (XC-ST51/ST50/ST30) Allowable frequency value ±1%,
15.625 kHz (XC-ST51CE/ST50CE/ST30CE) Allowable frequency value ±1%
VD interval (T): 262.5 H or more (XC-ST51/ST50/ST30) and less than 1 second (Recommended),
312.5 H or more (XC-ST51CE/ST50CE/ST30CE) and less than 1 second (Recommended)
Four or more VD pulses are required.
T
Invalid image
DIP switches
T
T
Odd image
Even image
Valid frame image
Mode Settings
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