Sony XC-ST30 Podręcznik techniczny - Strona 10

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Restart/Reset

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.

Invalid image

DIP switches

Odd image

Even image

Valid frame image

Mode Settings